Kosava (Belarusian: Косава; Russian: Коссово; also known as Polish: Kossów and Kossów Poleski) is a small town in the Ivasevichy Raion in the Brest Province of Belarus, located at . The Belarusian language, or Belorussian,(беларуская мова BGN/PCGN: byelaruskaya mova, Scientific: belaruskaja mova Russian ( transliteration:,) is the most geographically widespread language of Eurasia, the most widely spoken of the Slavic languages Polish ( język polski, polszczyzna) is the Official language of Poland. Ivasevichy Raion is an administrative subdivision a Raion of Brest Voblast, in Belarus. Brest Voblast (Province or Brest Oblast (Брэ́сцкая во́бласць Brestskaya voblasts; Бре́стская о́бласть Brestskaya Oblast Belarus ( Belarusian Беларусь / Biełaruś is a Landlocked country in Eastern Europe, bordered by Russia to the north and east It is the birth place of Tadeusz Kościuszko and Rabbi Avraham Yeshayahu Karelitz. Andrzej Tadeusz Bonawentura Kościuszko (; 1746 &ndash 1817 was a Polish and American national hero and general Rabbi Avrohom Yeshaya Karelitz, (1878-1953 popularly known by the name of his Magnum opus Chazon Ish, was a Belarusian born Orthodox Rabbi Nearby are the spectacular (but ruined) Kosava castle, built by the Puslowski family in 1830, and a replica of Tadeusz Kościuszko's house. Andrzej Tadeusz Bonawentura Kościuszko (; 1746 &ndash 1817 was a Polish and American national hero and general