1) Historical region in Belarus 
Berestia (Beresteyschina - Берестейщина), or Land of Berestia is the part of Belarusian and Polish ethnic territory, bounded by the Bug River, Pripyat River, Yaselda River, and Narew (Narva) River. ==Cities== Its main cities were Berestia, Bilsk, Dorohychyn, Kobryn, Kamyanyets and Vizna. ==Leadership== Princes of Berestia (Brest) ==His...