It is located in the province of Eastern Finland and is part of the Southern Savonia region.The town has a population of 18,353 (31 August 2017) and covers an area of 1,836.22 square kilometres (708.97 sq mi) of which 266.76 km2 (103.00 sq mi) is water. The population density is 11.69 inhabitants per square kilometre (30.3/sq mi).. Neighbour municipalities are Hankasalmi, Joroinen, Juva, Kangasniemi, Leppävirta, Mikkeli, Rautalampi and Suonenjoki.
The town of Pieksämäki was formed on January 1, 2007 with the consolidation of the municipalities of Pieksämäki and Pieksänmaa.
The Mikkeli University of Applied Sciences' Campus of Forestry is located in Pieksämäki.
The municipality is unilingually Finnish.
Results of the Finnish parliamentary election, 2011 in Pieksämäki:
Pieksämäki is twinned with:
Media related to Pieksämäki at Wikimedia Commons
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