Taiching-kwan, China (Google Maps ⧉, OpenStreetMap ⧉)
Referenced In
The Travels of Marco Polo
by Marco Polo, da Pisa Rusticiano"…at the fortress of Taiching-kwan, locally pronounced Taigin-kwan. This fortress … is very close to the river, on the left bank, about 6 m. S.W. of P’u-chau fu."