Ii, Finland

Ii (; ) is a municipality of Finland. It is situated by the Bothnian Bay, at the mouth of river Iijoki, and it is part of the Northern Ostrobothnia region. The municipality has a population of () and covers an area of of which is water. The population density is .
The municipality is unilingually Finnish.
Ii merged with Kuivaniemi on 1 January 2007. The formed municipality is called Ii but it adopted the coat of arms of Kuivaniemi. Ii is notable for having the shortest place name in Finland, and also one of the shortest ones in the world. The etymology is not definitively established; options are either Germanic origin or Sami origin. In the latter, it would mean "a place to stay overnight in"; cf. Northern Sami "idja" "night".
Beginning in 2008, Ii is home to the ART Ii Biennale of Northern Environmental and Sculpture Art, an international art fair.
The city has ambition to become the first zero waste town in the world, and its mayor claims that it does not use fossil fuels for energy.