diff --git a/src/main/kotlin/roomescape/region/infrastructure/persistence/RegionRepository.kt b/src/main/kotlin/roomescape/region/infrastructure/persistence/RegionRepository.kt
index e17acb39..03b1f585 100644
--- a/src/main/kotlin/roomescape/region/infrastructure/persistence/RegionRepository.kt
+++ b/src/main/kotlin/roomescape/region/infrastructure/persistence/RegionRepository.kt
@@ -8,12 +8,10 @@ interface RegionRepository : JpaRepository<RegionEntity, String> {
 
     @Query(
         """
-        SELECT 
+        SELECT DISTINCT 
             new kotlin.Pair(r.sidoCode, r.sidoName) 
         FROM 
             RegionEntity r 
-        GROUP BY 
-            r.sidoCode     
         ORDER BY 
             r.sidoName
     """