Mikolajki is a town in Mragowo County in the Warmian-Masurian Voivodeship in north-eastern Poland. The village Zelwagi belongs to Mikolajki. The town is located near Sniardwy, the largest lake of the Masurian Lake District. It is an old Masurian church town first documented in 1444. Because of its location on Sniardwy, the fishery of Nikolaiken ensured continued prosperity; the whitefish of the region were especially popular throughout East Prussia.
==== MIKOLAJKI – ATTRACTION
The town was a growing tourist center before the war, and is now one of the largest tourist sights in Masuria. The ice sailing in winter is an especially popular attraction.