Hartola (Swedish: Gustav Adolfs) is a municipality of Finland.

Neighbouring municipalities are Heinola, Joutsa, Luhanka, Pertunmaa and Sysmä.

[7] Hartola is home to the Itä-Hämeen Museo, the regional museum for seven municipalities.

Since 1987, the town has billed itself as a sovereign royal parish based upon a 1784 proclamation by King Gustav III of Sweden creating a new parish on the eastern border of his kingdom in honor of his son, Gustav Adolf.

[10] Results of the 2011 Finnish parliamentary election in Hartola: All schools those located in villages have been closed.