Luleå  is a city on the coast of northern Sweden, and the capital of Norrbotten County, the northernmost county in Sweden. Luleå has about 75,000 inhabitants and is the seat of Luleå Municipality (with a total population of 75,921).

Luleå has the seventh biggest harbor in Sweden for shipping goods. It has a large steel industry and is a center for extensive research. Luleå University of Technology is Sweden’s one of the three technology universities (the other two are KTH and Chalmers) and the northernmost university in Sweden.

Luleå has a subarctic climate , which borders on a continental climate with short, mild to warm summers and long, cold, snowy winters. But due to the Gulf Stream Luleå has a warmer climate than other cities on the same latitude and even some that are further south in Canada, Alaska, Northeast China, and Siberia. During the summer in June and July the temperature in Luleå can some days rise to around +30 degrees Celsius. Summers are very bright with marginal twillight being the only exception during the summer solstice.