High Quality Content by WIKIPEDIA articles! Masovian Voivodeship (also known as Masovia Province, or by its Polish name of województwo mazowieckie [v j vut stf maz vj t sk ] or simply Mazowieckie) is the largest and most populous of the sixteen Polish provinces, or voivodeships, created in 1999. It occupies 35,579 square kilometres (13,737 sq mi) of east-central Poland, and has 5.16 million inhabitants. Its principal cities are Warsaw (1.7 million) in the centre of the Warsaw metropolitan area, Radom (226,000) in the south, P ock (127,000) in the west, Siedlce (77,000) in the east, and Ostro ka (55,000) in the north. The capital of the voivodeship is the national capital, Warsaw.