Tromsø (Romsa in Northern Sami, nominative case) is a city and municipality in the county of Troms, Norway. The municipality of Tromsø covers large districts outside the town. Suburban areas include Tromsdalen (on the mainland, east of the Tromsøya island), the rest of the Tromsøya island, and the eastern part of the large Kvaløya, west of the Tromsøya Island. Tromsø Bridge and a four laned road tunnel connects the mainland with Tromsøya by road, and, on the western side of the city, Sandnessund Bridge connects Tromsøya island with Kvaløya island.