Luhansk Oblast is the easternmost oblast (province) of Ukraine. Its administrative center is Luhansk. The oblast was established in 1938 and bore the name Voroshilovgrad Oblast (until 1958 and again 1970 to 1990) in honor of Kliment Voroshilov. Important cities within the oblast include: Alchevsk, Antratsyt, Brianka, Kirovsk, Krasnyi Luch, Krasnodon, Lysychansk, Luhansk, Pervomaisk, Rovenky, Rubizhne, Sverdlovsk, Sievierodonetsk, Stakhanov. Due to the War in Donbass the administrative center of the oblast was relocated to Sievierodonetsk.