Collogien
Kollogienen (also: Collogienen ) is a German place name:
- Kollogien (municipality of Bubrowko ), 1938 to 1945 Kalgienen , district of Sensburg, East Prussia, since 1945: Kołowin , place in the rural municipality of Piecki (Powiat Mrągowski) , Powiat Mrągowski, Warmian-Masurian Voivodeship, Poland
- Kollogien ( Zollernhöhe municipality ), 1926 to 1945 Modersohn , Sensburg district, East Prussia, since 1945: Kosowiec (Piecki) , town in the Powiat Mrągowski, Warmian-Masurian Voivodeship, Poland