Kallnen
Kallnen is the name of two East Prussian villages that are today in the Russian Oblast of Kaliningrad :
- Kallnen (1938–1946 Bismarckshöh ), district of Gumbinnen, today Rajon Gussew (the place no longer exists); see Kallner Berge
- Kallnen (1938–1946 Drachenberg ), Darkehmen district (1939–1945 Angerapp district ), today Osjorsk Rajon, see Nowo-Gurjewskoje