Vierchniadzvinsk (Belarusian: , Lithuanian: Drisa, Polish: Dryssa) or Verkhnedvinsk (Russian: ?) is a city in Belarus in the northwest of Vitebsk Region; it is the administrative center of the Verkhnyadzvinsk Raion. Until 1962, it was named Drysa (Russian: , Drissa). It is located at the confluence of the Drysa River and the Daugava River.
Its population in 2009 was 7,600.
Drissa is first mentioned in a chronicle of the year 1386. During the medieval period it formed part of the Principality of Polotsk, the Grand Duchy of Lithuania, and the Polish-Lithuanian Commonwealth. From 1801 it was the center of the Drissa uyezd of the Vitebsk Governorate, and during the War of 1812 it was the site of a fortified camp described by Leo Tolstoy in Book Three of War and Peace.