Dzisna (Belarusian: Дзісна, Russian: Дисна, Polish: Dzisna), is a town in the Vitsebsk Voblast of Belarus. It is located on the left bank of the Daugava River, near the confluence of Dysna. It has 2,700 inhabitants (2006 estimate) which has declined as in the 20th century it had close to 10,000 inhabitants.
In the 16th century, Polish King Sigismund II Augustus granted Dzisna city rights. From 1569 to 1793 it was part of the Połock Voivodeship of the Lithuanian Province of the Polish-Lithuanian Commonwealth. It was a royal city of Poland. After the Second Partition of Poland it was annexed by the Russian Empire. Poland regained control over Dzisna after World War I. From 1926 to 1939 it was part of the Wilno Voivodeship. During World War II Dzisna was occupied by the Soviet Union between 1939 and 1941, Nazi Germany between 1941 and 1944 and, for the second time, by the Soviets between 1944 and 1945. After 1945, it remained part of the Soviet Union.
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Coordinates: 55°34′N 28°13′E / 55.567°N 28.217°E