Onega, Russia of Onezhsky District, even though it is not a part of it. As an administrative division, it is, together with three rural localities, incorporated separately as the town of oblast significance of Onega—an administrative unit with the status equal to that of the districts. As a municipal division, the town of oblast significance of Onega is incorporated within Onezhsky Municipal District as Onezhskoye Urban Settlement. The economy of the town is based on timber industry. There is also production of construction materials. Onega is a minor port on a bay on the White Sea, which routinely freezes in winter. The
Port of Murmansk Arkhangelsk and St. Petersburg (later renamed Petrograd). However, after the blocking of the Ottoman Empire's straits of the Bosphorus and Dardanelles to outside shipping and blockading of the Baltic Sea port of St. Petersburg, the Russian Empire could only use the northern port of Arkhangelsk. This port had limitations: when winter presented itself, navigation and shipping of any sort came to a halt. Therefore, it was decided to build a new port. The chosen location was in Murmansk due to its ability to accommodate sea traffic year-round, proximity to existing communities and relative ease to connect it to the empire's