Aśvieja, Асьвея (Belarusian), Osvei, Asveja, Asveya, Osveya, Освея (Russian), Oświej (Polish). Lake Osveya or Lake Osveyskoye is a large freshwater lake in Vitsebsk Voblast, northern Belarus, near the borders of Latvia and Russia. the second largest lake in the country.
Jewish cemetery and mass grave supposedly exist. [January 2011]