Sanseo-myeon, Jangsu-gun (3,908)
Roads
- Gangjeong-gil (45)
- Gangchon-gil (41)
- Gaechi-gil (63)
- Geonji-ro (11)
- Gyewol-ro (68)
- Gosangol-gil (80)
- Guam-gil (79)
- Neunggok-gil (68)
- Dangga-gil (67)
- Daeseong-ro (5)
- Daechang-gil (33)
- Deokjae-ro (6)
- Dopyeong-gil (26)
- Donggo-gil (149)
- Dongbaek-ro (133)
- Donghwadongchon-gil (55)
- Deungseok 1-gil (44)
- Deungseok 2-gil (31)
- Deungseok 3-gil (38)
- Mapyeong 1-gil (46)
- Mapyeong 2-gil (10)
- Banghwa-gil (81)
- Baegunsinheung-gil (71)
- Bosan-ro (292)
- Bongseo-ro (38)
- Bongseosingi-gil (43)
- Bihaeng-ro (134)
- Sagye-ro (43)
- Sasang-ro (3)
- Sachang-gil (132)
- Sanseong-ro (57)
- Sapgok-gil (41)
- Seowon-gil (35)
- Seonggye-ro (90)
- Seongjae-gil (77)
- Sochang-gil (70)
- Sindeok-gil (47)
- Sindeogan-gil (79)
- Sindeung-gil (63)
- Ssanggyeyangsin 1-gil (23)
- Ssanggyeyangsin 2-gil (27)
- Amga-gil (32)
- Yakchon-gil (46)
- Yangchon-gil (35)
- Oryong-gil (90)
- Ome-gil (173)
- Wanggok-gil (43)
- Wangsin-ro (8)
- Yongam-gil (59)
- Yongjeon-gil (46)
- Wonheung-gil (98)
- Wolgang-gil (28)
- Wolgok-gil (66)
- Wolpyeong-gil (88)
- Wolho-gil (57)
- Jangnam-ro (94)
- Jinjeon-gil (68)
- Changteo-gil (41)
- Chojang-gil (73)
- Chunghyo-ro (50)
- Pyeongchon-gil (89)
- Hakseonapgok-gil (52)
- Hwangsagomi-gil (28)