Kalyazin

Kalyazin is a town and the administrative center of Kalyazinsky District in Tver Oblast, Russia, located on the right bank of the Volga River, 175 kilometers northeast of Tver, the administrative center of the oblast. A sloboda a settlement for people relieved from paying taxes appeared on the site of modern Kalyazin in the 12th century. Its importance grew significantly with the foundation of the Makaryevsky Monastery on the opposite bank of the Volga in the 15th century.

This abbey used to be the most conspicuous landmark of Kalyazin and comprised numerous buildings of historic interest, including a refectory from 1525. The name of the town originates from certain Kolyaga, a land proprietor in the 15th century. In the 18th century, the area was included into Moscow Governorate. In 1775, Kalyazin was granted town rights and Kalyazinsky Uyezd was established. It was a part of newly established Tver Viceroyalty. In 1796, the Viceroyalty was abolished and transformed into Tver Governorate.

Kalyazinsky Uyezd was abolished, but in 1803, it was re-established. On May 30, 1922, Kalyazinsky Uyezd was abolished and merged into Kashinsky Uyezd. On October 3, 1927, Kashinsky Uyezd itself was abolished and split between Bezhetsky and Kimrsky Uyezds Two factories in Kalyazin—one producing oil extraction equipment and another one manufacturing some parts of MiG airplanes—are responsible for 42% of the total industrial production of the district. Chemical, food, leather, and textile industry are present as well.