Ursynów - Warsaw District in Masovian Voivodeship, Poland
"Ursynów is the southernmost district of Warsaw. With a surface area of 43.7 km2 (16.9 sq mi), it is the third largest district in Warsaw, comprising 8.6 percent of the city. The district has a population of over 150,000, and is one of the fastest growing neighborhoods in Warsaw. Nearly 25 percent of its inhabitants are below 18 years of age. - Wikipedia"