Cheonsuman Bay lies on the west coast of Chungcheongnam-do, located in Taean-gun, south of the Taean headland.
Administratively, it is bounded by Chungnam Taean-gun on the west, Anmyeon-eup on the south, Seobu-myeon of Hongseong-gun and Cheonbuk-myeon of Boryeong-si on the east, and Busuk-myeon of Seosan-si on the north.
The exact location of Cheonsuman on the map is 36"23'~36"37' north latitude and 126"20'~126"30' east longitude.
| longitude | borderland | |
|---|---|---|
East |
126' 30" | Hongseong - gun Boryeong - si |
West |
126' 20" | Taean - gun |
North |
36' 37" | Seosan - si |


