Gdynia ( ; ; (currently), (1939-1945); ) is a city in northern Poland. On Gdańsk Bay on the southern coast of the Baltic Sea, it is a major seaport and the second-largest city in Pomeranian Voivodeship after Gdańsk. Gdynia has a population of 246,348, which makes it the twelfth-largest city in Poland. It is part of a conurbation with the spa town of Sopot, the city of Gdańsk, and suburban communities, which together form a metropolitan area called the Tricity ("Trójmiasto"), with a population of over 1,000,000 people.