Kiruna is located 145 Km north to the Arctic Circle, and has a population of about 19000 inhabitants. Due to its placement, it enjoys the perpetual light of the midnight sun approximately from 30 May to 15 July, as well as the polar night (that is, nights longer than 24 hours) from December 15 to January 3.
It’s main source of income is iron mining, but that mining has caused a high problem to the city, which is a big risk of subsidence. To solve that, in 2004 it was decided that the city had to be moved northwest, and since November 2007 it’s been gradually performed.
The city is very small, and doesn’t have many interesting things to see per se, aside from it’s church and the clock of the city hall. So for the tourists, the attractiveness of Kiruna resides in the chance of seeing the northern lights, and the previously commented midnight sun and polar night, as well as the opportunity of riding a dogsled and doing other outdoor activities.
And it’s been widely confirmed that some of the best things you can do in Kiruna are not in the city per se, like going to Jukkasjärvi, an small town close to Kiruna, where you can find the famous Ice Hotel; going to Abisko National Park, which has an observatory over the clouds to see the northern lights clearly; or going to Narvik, in Norway, where you can see some fjords.
The truth is that as a city, it’s not very interesting, but its importance resides in the natural wonders you can enjoy there. I don’t think I’ll go back to Kiruna even if I have the chance… the next time, if I can, I’ll try with Nordkapp.