See main article: Geography of South Korea. The following lists include extreme and significant points of the geography of South Korea.__TOC__
| Heading | Location[1] | Village and township or town | City or county | Province or metropolitan city | Coordinates | Note |
|---|---|---|---|---|---|---|
| Northernmost | Daegang-ri | Daegang-ri, Hyeonnae-myeon | Goseong-gun | Gangwon | 38.6111°N 128.3642°W | |
| Southernmost | Marado | Daejeong-eup | Seogwipo-si | Jeju | 33.1103°N 126.2617°W | |
| Easternmost | Dokdo (Liancourt Rocks) | Dokdo-ri, Ulleung-eup | Ulleung-gun | North Gyeongsang | 37.2408°N 131.8722°W | The ownership of the territory is contested by Japan. |
| Westernmost | Baengnyeongdo | Baengnyeong-myeon | Ongjin-gun | Incheon | 37.9581°N 124.6117°W |
| Heading | Location[2] | Village and township or town | City or county | Province or metropolitan city | Coordinates | Note | |
|---|---|---|---|---|---|---|---|
| Northernmost | Daegang-ri | Daegang-ri, Hyeonnae-myeon | Goseong-gun | 38.6111°N 128.3642°W | Same as the overall northernmost point | ||
| Southernmost | Ttangkkeut | Songho-ri, Songji-myeon | Haenam-gun | South Jeolla | 34.2922°N 126.5244°W | ||
| Easternmost | Seokbyeong-ri | Seokbyeong-ri, Guryongpo-eup | Pohang-si | North Gyeongsang | 36.0167°N 129.5847°W | ||
| Westernmost | Mohang-ri | Mohang-ri, Sowon-myeon | South Chungcheong | 36.7728°N 126.1117°W |
| Heading | Name | Altitude | Location | Coordinates | |
|---|---|---|---|---|---|
| Highest | Hallasan | 1,947.06 m | Jeju | 33.3617°N 126.5292°W | |
| Highest (mainland) | Jirisan | 1,915 m | South Gyeongsang | 35.3369°N 127.7306°W | |
| Lowest | Sea of Japan (East Sea) | 0 m | 40°N 135°W |