Dvina Bay Dvina Bay The Dvina Bay () is located in Arkhangelsk Oblast in Northwestern Russia. It is one of four large bays and gulfs of the White Sea, the others being the Mezen Bay, the Onega Bay, and the Kandalaksha Gulf. The two main river emptying into the Dvina Bay is the Northern Dvina River, while the two cities on the bay are Arkhangelsk and Severodvinsk. The Dvina Bay is long and wide. Administratively, the coast and the islands belong to Primorsky District of Arkhangelsk Oblast. The Northern Dvina forms a delta entering the Dvina Bay, with many islands separating different
Port Phillip Geelong at Corio Bay in 1838. Today Port Phillip is the most densely populated catchment in Australia with an estimated 4.5 million people living around the bay; Melbourne's suburbs extend around much of the northern and eastern shorelines, and the city of Geelong sprawls around Corio Bay, in the port's western arm. Port Phillip Bay formed between the end of the last Ice Age around 8000 BCE and around 6000 BCE, when the sea-level rose to drown what was then the lower reaches of the Yarra River, vast river plains, wetlands and lakes. The Yarra and other tributaries flowed down