Settlement and station of ancient Thrace
Callum was a settlement and station (mutatio) of ancient Thrace, inhabited during Byzantine times.[1]
Its site is located east of Selymbria in European Turkey.[1][2]
References
41°03′05″N 28°25′06″E / 41.051365°N 28.418437°E / 41.051365; 28.418437