Kupiansk (Ukrainian: Куп'янськ, pronounced [ˈkupjɐnʲsʲk]; Russian: Купянск, Kupyansk pronounced [ˈkupʲɪnsk])) is a city in Kharkiv Oblast, Ukraine. It serves as the administrative center of Kupiansk Raion. It is also an important railroad junction for the oblast. Kupiansk hosts the administrative offices of Kupiansk Urban Hromada, one of the hromadas of Ukraine. Population: 26,627 (2022 est.) Until 18 July 2020, Kupiansk was incorporated as a city of oblast significance and the center of Kupiansk Municipality. The municipality was abolished in July 2020 as part of the administrative reform of Ukraine, which reduced the number of raions in the Kharkiv Oblast to seven. The area of Kupiansk municipality was merged into the Kupiansk Raion.