Kristinestad is located in the western part of Finland on the shore of the Bothnian Sea.

Kristinestad covers an area of 683.25 km2 (263.80 sq mi) (excluding sea areas) of which 14.66 km2 (5.66 sq mi) is inland water.

Kristinestad is a bilingual municipality with Finnish and Swedish as its official languages.

The town was chartered in 1649 by Per Brahe the Younger at Koppö island and is named for Queen Christina of Sweden.

[1] Kristinestad is known for its old town with low wooden houses and narrow alleys.