Olsztyn, Poland

Planetarium, Ratusz Starego Miasta, zamek dawnej kapituly warminskiej

Olsztyn is a city in northeastern Poland, on the Łyna River. Olsztyn has been the capital of the Warmian-Masurian Voivodeship since 1999. It was previously in the Olsztyn Voivodeship (and in other units in 1945–75 and 1975–98).

The capital of Warmian-Masurian Voivodship, Olsztyn is the largest city of the region and is inhabited by some 174 000 people. Due to its official function, the city houses all the most important institutions of the area and draws investors from all over the country.