Seongjeon-myeon, Gangjin-gun (4,963)
Roads
- Gangjinsandan-ro (16)
- Gangjinsandan-ro 1-gil (24)
- Gangjinsandan-ro 2-gil (45)
- Geomok-gil (35)
- Geumgang-ro (135)
- Geumdang-gil (210)
- Kkachinae-ro (2)
- Nakchun-gil (29)
- Namhae Expressway (1)
- Noksaek-ro (13)
- Nokhyangwolchon-gil (47)
- Dalmaji-gil (97)
- Dalbithanok-gil (42)
- Dangsan-gil (50)
- Daewoldalmaji-gil (146)
- Dorim-ro (128)
- Dongnyeong-gil (137)
- Duwon-gil (67)
- Rangdong-gil (91)
- Myeongdong-gil (115)
- Muwisa-ro (115)
- Baegun-ro (121)
- Byeolmoe-ro (259)
- Samun-ro (27)
- Sangwol-gil (44)
- Seodanggol-gil (2)
- Seongbat-ro (23)
- Seongjeondorim-gil (149)
- Seongjeonsingi 1-gil (31)
- Seongjeonsingi 2-gil (46)
- Seongjeonsingi 3-gil (47)
- Solchi-ro (86)
- Songgye-ro (301)
- Songdeok-gil (5)
- Songhak-gil (264)
- Suam-gil (57)
- Sicheon-gil (84)
- Sinsi-gil (70)
- Sinan-gil (71)
- Sinyejangdeung-gil (163)
- Sinpung-gil (67)
- Angol 1-gil (2)
- Angol-gil (5)
- Yeongheung-gil (76)
- Yeongheungdong-gil (101)
- Yeongheungseo-gil (56)
- Yehyang-ro (172)
- Osan-gil (81)
- Osanan-gil (113)
- Yongun-gil (59)
- Wollam 1-gil (95)
- Wollam 2-gil (34)
- Wollam 3-gil (105)
- Wolsan-gil (64)
- Wolsanwit-gil (62)
- Wolsong-gil (72)
- Wolhaanun-gil (194)
- Jejeon-gil (36)
- Jukjeon-gil (67)
- Cheoin 1-gil (24)
- Cheoin 2-gil (33)
- Haenam-ro (3)
- Hundodong-gil (47)