Wikipedia
Martiany
Martiany (German Mertenheim) is a village in the administrative district of Gmina Kętrzyn, within Kętrzyn County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately south-east of Kętrzyn and east of the regional capital Olsztyn.
Before 1945 the area was part of Germany ( East Prussia).
The village has a population of 160.