Roslyakovo was an urban locality under the administrative jurisdiction of the closed-administrative territorial formation of Severomorsk in Murmansk Oblast, Russia, located on the Kola Peninsula on the Kola Bay, 6 kilometers (3.7 mi) west of Severomorsk proper. It was abolished, with its territory merged into the city of Murmansk, on January 1, 2015. Population: 8,696 (2010 Russian census); 9,458 (2002 Census); 11,981 (1989 Soviet census).

Severomorsk, known as Vayenga (Ваенга) until April 18, 1951, is a closed town in Murmansk Oblast, Russia. Severomorsk is the main administrative base of the Russian Northern Fleet. The town is located on the coast of the Barents Sea along the Kola Bay 25 kilometers (16 mi) northeast of Murmansk, the administrative centre of the oblast, to which it is connected by railway and a motorway.