Ostrołęka, like the rest of the region, has a mountainous interior. This mountainous interior features deep and steep valleys, formed by major rivers running through it.
Other cities in Wojewodztwo Mazowieckie is a county of Poland. They belong to the Masovian Voivodeship state. It has a population of 26330 citizens. In 2007, 15% of people in the county living in the metropolitan area of the capital.
Płock has a very healthy climate, as its 127474 citizens bear this out. Comparing Płock with other provinces, their communications within Poland can be improved.
Powiat garwoliński, like the rest of the region, has a mountainous interior. This mountainous interior features deep and steep valleys, formed by major rivers running through it.
Siedlce is a county of Poland. They belong to the Masovian Voivodeship state. It has a population of 77185 citizens. In 2007, 22% of people in the county living in the metropolitan area of the capital.