Rumia is a town in northern Poland, in the Wejherowo County in Pomeranian Voivodeship, with some 45,000 inhabitants. It is a part of the Kashubian Tricity (Rumia, Reda, Wejherowo) and a suburb part of the metropolitan area of the Tricity. It is situated in Kashubia in the historic region of Pomerania. It is connected by well-developed railway and highway connections to the Tricity, an urban agglomeration of almost 1 million inhabitants on the coast of Gdańsk Bay.