Tromso, also known as the Arctic Capital or the France of the North, is the largest city north of the Arctic Circle; spanning more than 965 square miles, this Norwegian city is nearly as large as the entire country of Luxembourg. Established in 1794, Tromso now has about 72,000 inhabitants, many of whom are students attending a handful of local institutions, including the University of Tromso; the Norwegian College of Fishery Science, one of only two colleges in the world dedicated solely to fishing as a livelihood; and the Centre for Peace Studies. Although the locals refer to Tromso as an island, the city actually comprises the island of Tromsoya, Kvaloya and parts of the mainland to the east. (Tromsoya is connected to the mainland by the iconic Tromso Bridge.)
The cruise season runs from mid-February through December, which means you can choose the time of year you'd like to visit.