Syanno

Syanno or Senno (Сянно; Сенно; Sienno; Siano) is a town in Vitebsk Region, Belarus. It is located 58 km southwest of Vitebsk on the southern shore of Senno Lake. In 2018, its population was 7,092. As of 2024, it has a population of 7,090.

History
The village is first mentioned in a document of 1442. Fairs were held there, and a lively hay market gave it its name (сено seno 'hay'). From the first half of the 17th century it belonged to the Sapieha family; from the second half of the 18th century, to the Ogińskis. In 1772 it became part of the Russian Empire.

In 1924, Senno became part of the Byelorussian Soviet Socialist Republic. During World War II, it was the site of a major tank battle in July 1941.