Mazury / Masuria is a region in northern Poland famous for its 2,000
lakes. It has been the part of East Prussia inhabited by Polish-speaking,
Lutheran Masurians. Masuria occupies much of the Masurian Lake District.
Administratively, it belongs to Warmian-Masurian Voivodeship. Its biggest city
is Ełk, often regarded as its capital. It has territory of about 10,000 km
and population of 500,000