It is located in the province of Lapland and is part of the Lappi region. The municipality has a population of 22456 and covers an area of 1227,09 km? of which 43,85 km? is water. The population density is 18,724 inhabitants per km?. It borders to the Swedish municipality of Haparanda.
The municipality is unilingually Finnish.
See also: Municipalities of Lapland,