Kupiansk /ˈkuːpjansk/ noun2 •A city, the administrative centre of Kupiansk urban hromada, Kupiansk Raion, Kharkiv Oblast, Ukraine, founded in 1655.This bridge is the most crucial supply line connecting the group of forces in Kharkiv with other Ukrainians defending both Vovchansk and Kupiansk. — 2024 •A raion of Kharkiv Oblast, Ukraine, established in March 1923, subordinate to the okruha of the same name of the Ukrainian Soviet Socialist Republic until June 1930, and considerably enlarged in July 2020.