The Pripet Marshes, or Pripyat Marshes, also known as Pinsk Marshes, the Polesie Marshes, and the Rokitno Marshes, are a vast natural region of wetlands in Polesia, along the forested basin of the Pripyat River and its tributaries from Brest to the west, Mogilev in the northeast, and Kyiv to the southeast. Most of the region is in Belarus, and part is in Ukraine. The Pripet Marshes are the largest wetland area in Europe.