Nikolaiken (disambiguation)
Nikolaiken is the name of West and East Prussian places:
- Nikolaiken , Neumark District, West Prussia, since 1945: Mikołajki (Kurzętnik) , place in the powiat Nowomiejski, Warmian-Masurian Voivodeship, Poland
- Nikolaiken , district of Prussian Holland, since 1945: Mikołajki (Młynary) , place in the Powiat Elbląski, Warmian-Masurian Voivodeship, Poland
- Nikolaiken , Sensburg District, East Prussia, since 1945: Mikołajki , town and town and country municipality in the powiat Mrągowski, Warmian-Masurian Voivodeship, Poland
- Nikolaiken ; Forest house in the Sensburg district, East Prussia, since 1945: Mikołajki (Osada leśna) , forest settlement in the Mrągowski powiat, Warmian-Masurian Voivodeship, Poland
See also: Mikolaiken