Wikipedia
Cerkiewnik
Cerkiewnik (German Münsterberg) is a village in the administrative district of Gmina Dobre Miasto, within Olsztyn County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately south of Dobre Miasto and north-west of the regional capital Olsztyn.
While traditionally Prussian, with the Second Peace of Thorn in 1466 the area became part of the Kingdom of Poland until 1772; 1772-1945 Kingdom of Prussia and Germany ( East Prussia).
The village has a population of 760.