Onega Bay Onega Bay The Onega Bay () is located in the Republic of Karelia and Arkhangelsk Oblast in Northwestern Russia, west of the city of Arkhangelsk. It is the southernmost of four large bays and gulfs of the White Sea, the others being the Dvina Bay, the Mezen Bay, and the Kandalaksha Gulf. The area of the bay is . The Onega Bay is long and - wide. The average depth of the bay is , and the maximum depth is . The bay freezes in winter. Onega, Kem, and Vyg Rivers flow into the bay. The bay has numerous islands.
Arkhangelsk Oblast The oblast is administratively divided into six cities and towns under the oblast's jurisdiction (Arkhangelsk, Koryazhma, Kotlas, Novodvinsk, Onega, and Severodvinsk), one city under the federal jurisdiction (Mirny), twenty-one districts (one of which is Novaya Zemlya), and two island territories (Franz Josef Land and Victoria Island). Another six towns (Kargopol, Mezen, Nyandoma, Shenkursk, Solvychegodsk, and Velsk) have the status of the towns of district significance. Nenets Autonomous Okrug, which is administratively subordinated to the oblast, is administratively divided into one district (Zapolyarny District) and one town of okrug significance (Naryan-Mar). Huge areas within the limits of the oblast are included