diff --git a/src/main/java/com/example/solidconnection/location/country/repository/InterestedCountryRepository.java b/src/main/java/com/example/solidconnection/location/country/repository/InterestedCountryRepository.java
index 0d555b7bb..b7e12a285 100644
--- a/src/main/java/com/example/solidconnection/location/country/repository/InterestedCountryRepository.java
+++ b/src/main/java/com/example/solidconnection/location/country/repository/InterestedCountryRepository.java
@@ -7,4 +7,6 @@
 public interface InterestedCountryRepository extends JpaRepository<InterestedCountry, Long> {
 
     List<InterestedCountry> findAllBySiteUserId(long siteUserId);
+
+    void deleteAllBySiteUserId(long siteUserId);
 }
diff --git a/src/main/java/com/example/solidconnection/location/country/service/InterestedCountryService.java b/src/main/java/com/example/solidconnection/location/country/service/InterestedCountryService.java
index 8166de968..9e2fa4060 100644
--- a/src/main/java/com/example/solidconnection/location/country/service/InterestedCountryService.java
+++ b/src/main/java/com/example/solidconnection/location/country/service/InterestedCountryService.java
@@ -24,4 +24,15 @@ public void saveInterestedCountry(SiteUser siteUser, List<String> koreanNames) {
                 .toList();
         interestedCountryRepository.saveAll(interestedCountries);
     }
+
+    @Transactional
+    public void updateInterestedCountry(SiteUser siteUser, List<String> koreanNames) {
+        interestedCountryRepository.deleteAllBySiteUserId(siteUser.getId());
+
+        List<InterestedCountry> interestedCountries = countryRepository.findAllByKoreanNameIn(koreanNames)
+                .stream()
+                .map(country -> new InterestedCountry(siteUser, country))
+                .toList();
+        interestedCountryRepository.saveAll(interestedCountries);
+    }
 }
diff --git a/src/main/java/com/example/solidconnection/location/region/repository/InterestedRegionRepository.java b/src/main/java/com/example/solidconnection/location/region/repository/InterestedRegionRepository.java
index 335218c08..367eb2164 100644
--- a/src/main/java/com/example/solidconnection/location/region/repository/InterestedRegionRepository.java
+++ b/src/main/java/com/example/solidconnection/location/region/repository/InterestedRegionRepository.java
@@ -7,4 +7,6 @@
 public interface InterestedRegionRepository extends JpaRepository<InterestedRegion, Long> {
 
     List<InterestedRegion> findAllBySiteUserId(long siteUserId);
+
+    void deleteAllBySiteUserId(long siteUserId);
 }
diff --git a/src/main/java/com/example/solidconnection/location/region/service/InterestedRegionService.java b/src/main/java/com/example/solidconnection/location/region/service/InterestedRegionService.java
index 6dc71263e..2c8c592cd 100644
--- a/src/main/java/com/example/solidconnection/location/region/service/InterestedRegionService.java
+++ b/src/main/java/com/example/solidconnection/location/region/service/InterestedRegionService.java
@@ -24,4 +24,15 @@ public void saveInterestedRegion(SiteUser siteUser, List<String> koreanNames) {
                 .toList();
         interestedRegionRepository.saveAll(interestedRegions);
     }
+
+    @Transactional
+    public void updateInterestedRegion(SiteUser siteUser, List<String> koreanNames) {
+        interestedRegionRepository.deleteAllBySiteUserId(siteUser.getId());
+
+        List<InterestedRegion> interestedRegions = regionRepository.findAllByKoreanNameIn(koreanNames)
+                .stream()
+                .map(region -> new InterestedRegion(siteUser, region))
+                .toList();
+        interestedRegionRepository.saveAll(interestedRegions);
+    }
 }
diff --git a/src/main/java/com/example/solidconnection/siteuser/controller/MyPageController.java b/src/main/java/com/example/solidconnection/siteuser/controller/MyPageController.java
index 534b6c361..00c3077e3 100644
--- a/src/main/java/com/example/solidconnection/siteuser/controller/MyPageController.java
+++ b/src/main/java/com/example/solidconnection/siteuser/controller/MyPageController.java
@@ -2,6 +2,7 @@
 
 
 import com.example.solidconnection.common.resolver.AuthorizedUser;
+import com.example.solidconnection.siteuser.dto.LocationUpdateRequest;
 import com.example.solidconnection.siteuser.dto.MyPageResponse;
 import com.example.solidconnection.siteuser.dto.PasswordUpdateRequest;
 import com.example.solidconnection.siteuser.service.MyPageService;
@@ -49,4 +50,13 @@ public ResponseEntity<Void> updatePassword(
         myPageService.updatePassword(siteUserId, request);
         return ResponseEntity.ok().build();
     }
+
+    @PatchMapping("/interested-location")
+    public ResponseEntity<Void> updateLocation(
+            @AuthorizedUser long siteUserId,
+            @RequestBody @Valid LocationUpdateRequest request
+    ) {
+        myPageService.updateLocation(siteUserId, request);
+        return ResponseEntity.ok().build();
+    }
 }
diff --git a/src/main/java/com/example/solidconnection/siteuser/dto/LocationUpdateRequest.java b/src/main/java/com/example/solidconnection/siteuser/dto/LocationUpdateRequest.java
new file mode 100644
index 000000000..2bb38e9cc
--- /dev/null
+++ b/src/main/java/com/example/solidconnection/siteuser/dto/LocationUpdateRequest.java
@@ -0,0 +1,10 @@
+package com.example.solidconnection.siteuser.dto;
+
+import java.util.List;
+
+public record LocationUpdateRequest(
+        List<String> interestedRegions,
+        List<String> interestedCountries
+) {
+
+}
diff --git a/src/main/java/com/example/solidconnection/siteuser/service/MyPageService.java b/src/main/java/com/example/solidconnection/siteuser/service/MyPageService.java
index d1d6e340c..d48de9bfa 100644
--- a/src/main/java/com/example/solidconnection/siteuser/service/MyPageService.java
+++ b/src/main/java/com/example/solidconnection/siteuser/service/MyPageService.java
@@ -8,6 +8,8 @@
 import static com.example.solidconnection.common.exception.ErrorCode.USER_NOT_FOUND;
 
 import com.example.solidconnection.common.exception.CustomException;
+import com.example.solidconnection.location.country.service.InterestedCountryService;
+import com.example.solidconnection.location.region.service.InterestedRegionService;
 import com.example.solidconnection.location.country.repository.CountryRepository;
 import com.example.solidconnection.mentor.domain.Mentor;
 import com.example.solidconnection.mentor.repository.MentorRepository;
@@ -16,6 +18,7 @@
 import com.example.solidconnection.s3.service.S3Service;
 import com.example.solidconnection.siteuser.domain.Role;
 import com.example.solidconnection.siteuser.domain.SiteUser;
+import com.example.solidconnection.siteuser.dto.LocationUpdateRequest;
 import com.example.solidconnection.siteuser.dto.MyPageResponse;
 import com.example.solidconnection.siteuser.dto.PasswordUpdateRequest;
 import com.example.solidconnection.siteuser.repository.SiteUserRepository;
@@ -45,6 +48,8 @@ public class MyPageService {
     private final MentorRepository mentorRepository;
     private final UniversityRepository universityRepository;
     private final S3Service s3Service;
+    private final InterestedCountryService interestedCountryService;
+    private final InterestedRegionService interestedRegionService;
 
     /*
      * 마이페이지 정보를 조회한다.
@@ -132,4 +137,13 @@ private void validatePasswordMatch(String currentPassword, String userPassword)
             throw new CustomException(PASSWORD_MISMATCH);
         }
     }
+
+    @Transactional
+    public void updateLocation(long siteUserId, LocationUpdateRequest request) {
+        SiteUser siteUser = siteUserRepository.findById(siteUserId)
+                .orElseThrow(() -> new CustomException(USER_NOT_FOUND));
+
+        interestedCountryService.updateInterestedCountry(siteUser, request.interestedCountries());
+        interestedRegionService.updateInterestedRegion(siteUser, request.interestedRegions());
+    }
 }
diff --git a/src/test/java/com/example/solidconnection/siteuser/service/MyPageServiceTest.java b/src/test/java/com/example/solidconnection/siteuser/service/MyPageServiceTest.java
index f852909c6..d8e5c950f 100644
--- a/src/test/java/com/example/solidconnection/siteuser/service/MyPageServiceTest.java
+++ b/src/test/java/com/example/solidconnection/siteuser/service/MyPageServiceTest.java
@@ -1,10 +1,13 @@
 package com.example.solidconnection.siteuser.service;
 
 import static com.example.solidconnection.common.exception.ErrorCode.CAN_NOT_CHANGE_NICKNAME_YET;
+import static com.example.solidconnection.common.exception.ErrorCode.PASSWORD_MISMATCH;
 import static com.example.solidconnection.siteuser.service.MyPageService.MIN_DAYS_BETWEEN_NICKNAME_CHANGES;
 import static com.example.solidconnection.siteuser.service.MyPageService.NICKNAME_LAST_CHANGE_DATE_FORMAT;
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
 import static org.assertj.core.api.AssertionsForClassTypes.assertThatCode;
+import static org.junit.jupiter.api.Assertions.assertAll;
 import static org.mockito.BDDMockito.any;
 import static org.mockito.BDDMockito.eq;
 import static org.mockito.BDDMockito.given;
@@ -16,6 +19,10 @@
 import com.example.solidconnection.location.country.domain.InterestedCountry;
 import com.example.solidconnection.location.country.fixture.CountryFixture;
 import com.example.solidconnection.location.country.repository.InterestedCountryRepository;
+import com.example.solidconnection.location.region.domain.InterestedRegion;
+import com.example.solidconnection.location.region.domain.Region;
+import com.example.solidconnection.location.region.fixture.RegionFixture;
+import com.example.solidconnection.location.region.repository.InterestedRegionRepository;
 import com.example.solidconnection.mentor.fixture.MentorFixture;
 import com.example.solidconnection.s3.domain.ImgType;
 import com.example.solidconnection.s3.dto.UploadedFileUrlResponse;
@@ -23,7 +30,9 @@
 import com.example.solidconnection.siteuser.domain.AuthType;
 import com.example.solidconnection.siteuser.domain.Role;
 import com.example.solidconnection.siteuser.domain.SiteUser;
+import com.example.solidconnection.siteuser.dto.LocationUpdateRequest;
 import com.example.solidconnection.siteuser.dto.MyPageResponse;
+import com.example.solidconnection.siteuser.dto.PasswordUpdateRequest;
 import com.example.solidconnection.siteuser.fixture.SiteUserFixture;
 import com.example.solidconnection.siteuser.fixture.SiteUserFixtureBuilder;
 import com.example.solidconnection.siteuser.repository.SiteUserRepository;
@@ -33,7 +42,7 @@
 import com.example.solidconnection.university.fixture.UnivApplyInfoFixture;
 import com.example.solidconnection.university.repository.LikedUnivApplyInfoRepository;
 import java.time.LocalDateTime;
-import org.junit.jupiter.api.Assertions;
+import java.util.List;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Nested;
@@ -62,6 +71,9 @@ class MyPageServiceTest {
     @Autowired
     private InterestedCountryRepository interestedCountryRepository;
 
+    @Autowired
+    private InterestedRegionRepository interestedRegionRepository;
+
     @Autowired
     private SiteUserFixture siteUserFixture;
 
@@ -74,6 +86,9 @@ class MyPageServiceTest {
     @Autowired
     private UnivApplyInfoFixture univApplyInfoFixture;
 
+    @Autowired
+    private RegionFixture regionFixture;
+
     @Autowired
     private SiteUserFixtureBuilder siteUserFixtureBuilder;
 
@@ -99,7 +114,7 @@ void setUp() {
         MyPageResponse response = myPageService.getMyPageInfo(user.getId());
 
         // then
-        Assertions.assertAll(
+        assertAll(
                 () -> assertThat(response.nickname()).isEqualTo(user.getNickname()),
                 () -> assertThat(response.profileImageUrl()).isEqualTo(user.getProfileImageUrl()),
                 () -> assertThat(response.role()).isEqualTo(user.getRole()),
@@ -124,7 +139,7 @@ void setUp() {
         MyPageResponse response = myPageService.getMyPageInfo(mentorUser.getId());
 
         // then
-        Assertions.assertAll(
+        assertAll(
                 () -> assertThat(response.nickname()).isEqualTo(mentorUser.getNickname()),
                 () -> assertThat(response.profileImageUrl()).isEqualTo(mentorUser.getProfileImageUrl()),
                 () -> assertThat(response.role()).isEqualTo(mentorUser.getRole()),
@@ -263,4 +278,139 @@ void setUp() {
                     .hasMessage(createExpectedErrorMessage(modifiedAt));
         }
     }
+
+    @Nested
+    class 비밀번호_변경_테스트 {
+
+        private String currentPassword;
+        private String newPassword;
+
+        @BeforeEach
+        void setUp() {
+            currentPassword = "currentPassword123";
+            newPassword = "newPassword123";
+
+            user.updatePassword(passwordEncoder.encode(currentPassword));
+            siteUserRepository.save(user);
+        }
+
+        @Test
+        void 비밀번호를_성공적으로_변경한다() {
+            // given
+            PasswordUpdateRequest request = new PasswordUpdateRequest(currentPassword, newPassword, newPassword);
+
+            // when
+            myPageService.updatePassword(user.getId(), request);
+
+            // then
+            SiteUser updatedUser = siteUserRepository.findById(user.getId()).get();
+            assertAll(
+                    () -> assertThat(passwordEncoder.matches(newPassword, updatedUser.getPassword())).isTrue(),
+                    () -> assertThat(passwordEncoder.matches(currentPassword, updatedUser.getPassword())).isFalse()
+            );
+        }
+
+        @Test
+        void 현재_비밀번호가_일치하지_않으면_예외가_발생한다() {
+            // given
+            String wrongPassword = "wrongPassword";
+            PasswordUpdateRequest request = new PasswordUpdateRequest(wrongPassword, newPassword, newPassword);
+
+            // when & then
+            assertThatThrownBy(() -> myPageService.updatePassword(user.getId(), request))
+                    .isInstanceOf(CustomException.class)
+                    .hasMessage(PASSWORD_MISMATCH.getMessage());
+        }
+    }
+
+    @Nested
+    class 관심_지역_및_국가_변경_테스트 {
+
+        private Country 미국;
+        private Country 캐나다;
+        private Country 일본;
+        private Region 영미권;
+        private Region 아시아;
+
+        @BeforeEach
+        void setUp() {
+            미국 = countryFixture.미국();
+            캐나다 = countryFixture.캐나다();
+            일본 = countryFixture.일본();
+            영미권 = regionFixture.영미권();
+            아시아 = regionFixture.아시아();
+        }
+
+        @Test
+        void 관심_지역과_국가를_성공적으로_수정한다() {
+            // given
+            interestedCountryRepository.save(new InterestedCountry(user, 미국));
+            interestedRegionRepository.save(new InterestedRegion(user, 영미권));
+
+            List<String> newCountries = List.of(캐나다.getKoreanName(), 일본.getKoreanName());
+            List<String> newRegions = List.of(아시아.getKoreanName());
+            LocationUpdateRequest request = new LocationUpdateRequest(newRegions, newCountries);
+
+            // when
+            myPageService.updateLocation(user.getId(), request);
+
+            // then
+            List<InterestedCountry> updatedCountries = interestedCountryRepository.findAllBySiteUserId(user.getId());
+            List<InterestedRegion> updatedRegions = interestedRegionRepository.findAllBySiteUserId(user.getId());
+
+            assertAll(
+                    () -> assertThat(updatedCountries)
+                            .extracting(InterestedCountry::getCountryCode)
+                            .containsExactlyInAnyOrder(캐나다.getCode(), 일본.getCode()),
+                    () -> assertThat(updatedRegions)
+                            .extracting(InterestedRegion::getRegionCode)
+                            .containsExactly(아시아.getCode())
+            );
+        }
+
+        @Test
+        void 기존에_관심_지역과_국가가_없어도_성공적으로_추가된다() {
+            // given
+            List<String> newCountries = List.of(미국.getKoreanName());
+            List<String> newRegions = List.of(영미권.getKoreanName());
+            LocationUpdateRequest request = new LocationUpdateRequest(newRegions, newCountries);
+
+            // when
+            myPageService.updateLocation(user.getId(), request);
+
+            // then
+            List<InterestedCountry> updatedCountries = interestedCountryRepository.findAllBySiteUserId(user.getId());
+            List<InterestedRegion> updatedRegions = interestedRegionRepository.findAllBySiteUserId(user.getId());
+
+            assertAll(
+                    () -> assertThat(updatedCountries)
+                            .extracting(InterestedCountry::getCountryCode)
+                            .containsExactly(미국.getCode()),
+                    () -> assertThat(updatedRegions)
+                            .extracting(InterestedRegion::getRegionCode)
+                            .containsExactly(영미권.getCode())
+            );
+        }
+
+        @Test
+        void 빈_리스트를_전달하면_모든_관심_지역과_국가가_삭제된다() {
+            // given
+            interestedCountryRepository.save(new InterestedCountry(user, 미국));
+            interestedRegionRepository.save(new InterestedRegion(user, 영미권));
+
+            LocationUpdateRequest request = new LocationUpdateRequest(List.of(), List.of());
+
+            // when
+            myPageService.updateLocation(user.getId(), request);
+
+            // then
+            List<InterestedCountry> updatedCountries = interestedCountryRepository.findAllBySiteUserId(user.getId());
+            List<InterestedRegion> updatedRegions = interestedRegionRepository.findAllBySiteUserId(user.getId());
+
+            assertAll(
+                    () -> assertThat(updatedCountries).isEmpty(),
+                    () -> assertThat(updatedRegions).isEmpty()
+            );
+        }
+    }
 }