Kostel Castle is a castle above the settlement of Kostel in southeastern Slovenia. It is located on a steep hill above the Kolpa River, not far from the Croatian border.
Wikipedia https://en.wikipedia.org/wiki/Kostel_Castle
Wikipedia https://sl.wikipedia.org/wiki/Grad_Kostel
Address 2 Kostel, Kostel 1336, Slovenia
Coordinates 45°30'31.577" N 14°54'36.709" E
