From the English Wikipedia page [1]

Aknīste Municipality (Latvian: Aknīstes novads) is a municipality in Selonia, Latvia. The municipality was formed in 2009 by merging Aknīste town with its countryside territory, Asare parish and Gārsene parish, the administrative centre being Aknīste. In 2010 Aknīste parish was created from the countryside territory of Aknīste town.

More information on the Latvian Wikipedia page [2]