Polesia is a marshy region lining the Pripyat River (Pripyat Marshes) in Southern Belarus (Brest, Pinsk, Kalinkavichy, Homel), Northern Ukraine (in the Volyn, Rivne, Zhytomyr, Kiev and Chernihiv Oblasts), and partly in Poland (Lublin) and Russia (Bryansk).
This region suffered severely from the Chernobyl disaster.