thumb|upright|In 1019 Brest was first mentioned in chronicles as Berestye Berestia (; ,), is the part of Belarusian, and Ukrainian ethnic territory, bounded by the Bug River, Pripyat River, Yaselda River, and Narew (Narva) River, and a borderland between historical Podlachia () and the Land of Brest-Litovsk () part of Polesia ().
thumb|upright|In 1019 Brest was first mentioned in chronicles as Berestye Berestia (; ,), is the part of Belarusian, and Ukrainian ethnic territory, bounded by the Bug River, Pripyat River, Yaselda River, and Narew (Narva) River, and a borderland between historical Podlachia () and the Land of Brest-Litovsk () part of Polesia ().
Its main cities were Berestia, Bielsk, Drohiczyn, Kobryn and Kamyanyets.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).