The Battle of Kalbajar took place in March and April 1993, during the First Nagorno-Karabakh War. It resulted in the capture of the Kalbajar District of Azerbaijan by Armenian military forces.

Kalbajar District is one of the 66 districts of Azerbaijan. It is located in the west of the country and belongs to the East Zangezur Economic Region. The district borders the districts of Lachin, Khojaly, Agdam, Tartar, Goranboy, Goygol and Dashkasan districts of Azerbaijan, as well as the Gegharkunik and Vayots Dzor provinces of Armenia. Its capital and largest city is Kalbajar. As of 2020, the district had a nominal population of 94,100.