Rumia [ˈrumʲa] (Kashubian/Pomeranian: Rëmiô, German: Rahmel) is a city in the Eastern Pomerania region of north-western Poland, 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 has been situated in the Wejherowo County in Pomeranian Voivodeship since 1999; previously it was in Gdańsk Voivodeship (1975–1998). Traditionally, Rumia is related to Kashubia.