Alternate names: Vyerkhnyadzvinsk [Bel], Verkhnedvinsk [Rus, since 1962], Werchnedwinsk [Ger], Drissa [Rus, pre-1962], Dryssa [Pol], Drisa [Yid], Dryassa, Drysa, Vierchniadźvinsk, Verchnjadzvinsk. Belarusian: Верхнядзвінск, Дрыса.Russian: Верхнедвинск, Дрисса..
55°47' N, 27°57' E, in N Belarus, 55 miles E of Daugavpils (Dvinsk), 18 miles NW of Disna. 1900 Jewish population:  2,856.

• Encyclopedia of Jewish Life (2001), p. 331: "Drissa".
• Shtetl Finder (1980), pp. 20-21: "Drissa".
• Słownik Geograficzny Królestwa Polskiego (1880-1902), II, p. 179: "Dryssa".