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| Sŏngsansansŏng | |
|---|---|
Part of the ruins (2003) | |
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| Alternative names | Hamansansŏng |
| General information | |
| Location | Haman County, South Gyeongsang Province, South Korea |
| Coordinates | 35°15′16″N 128°25′10″E / 35.25444°N 128.41944°E |
| Designations | |
| Official name | Seongsansanseong Fortress, Haman |
| Designated | 1963-01-21 |
| Reference no. | 67 |
Sŏngsansansŏng (Korean: 성산산성; Hanja: 城山山城; RR: Seongsansanseong) was a Korean fortress on the mountain Jonamsan (조남산) in what is now Haman County, South Gyeongsang Province, South Korea.[1][2] The fortress has also historically gone by the name Hamansansŏng (함안산성).[2] On January 21, 1963, it was made a Historic Site of South Korea.[1]
The fortress was likely constructed by the Gaya confederacy (42–562, Korean calendar).[1][2] It has two sets of stone walls.[2]