Alternate names: Ol'shana [Rus], Vil'shana [Ukr], Olszana [Pol], Vil'shany. 49°13' N, 31°13' E, 15 miles NE of Zvenigorodka, 16 miles NW of Shpola. 1900 Jewish population: 1,233.
- JewishGen Ukraine SIG
- Słownik Geograficzny Królestwa Polskiego (1880-1902), VII, pp. 496-497: "Olszana".
- Shtetl Finder (1980), p. 112: "Vilshana, Olshana".
- Encyclopedia of Jewish Life (2001), p. 935: "Olshana".