Kalkau
Kalkau is a German name of places that are now in Poland:
- Kalkau , until 1938: Kalkowen , Goldap district, East Prussia, since 1945: Kalkowo , village in the Gołdapski powiat, Warmian-Masurian Voivodeship
- Kalkau , Neisse district, Silesia, since 1945: Kałków (Otmuchów) , village in the powiat Nyski, Opole Voivodeship