It is located in the South Ostrobothniaregion. The population of Teuva is 4,668 (31 October 2024)[2] and the municipality covers an area of 554.73 km2 (214.18 sq mi) of which 1.35 km2 (0.52 sq mi) is inland water (1 January 2018).[1] The population density is 8.41/km2 (21.8/sq mi).
In August 2010, more than fifty pocket-sized saunas were gathered on a lakeside within Teuva for the fifth annual Mobile Sauna Festival. Some six-thousand visitors attended the festival, doubling the population of Teuva for the weekend.[6][7]