Masuria is a historical region in northern and northeastern Poland, famous for its 2,000 lakes. Masuria occupies much of the Masurian Lake District. Administratively, it is part of the Warmian-Masurian Voivodeship. Its biggest city, often regarded as its capital, is Ełk (Elk). The region covers a territory of some 10,000 km2 which is inhabited by approximately 500,000 people.