Rogó nia [r u a] is a village in the administrative district of Gmina Ostrów Mazowiecka, within Ostrów Mazowiecka County, Masovian Voivodeship, in east-central Poland. Masovian Voivodeship (Polish: województwo mazowieckie [v j vutstf maz vj tsk ]), 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.