It is located in the province of Southern Finland and is part of the Tavastia Proper region. The municipality had a population of 5,507 (2008) and covered an area of 611.24 km² of which 73.69 km² is water. The population density is 11 inhabitants per km².
The municipality was unilingually Finnish.
- Neighbour municipalities were Asikkala, Hauho, Hausjärvi, Hämeenkoski, Janakkala, Kärkölä, Luopioinen, Padasjoki and Tuulos. "LÄÄNIEN, MAISTRAATTIEN, KIHLAKUNTIEN JA KUNTIEN ASUKASLUKUTIEDOT KUUKAUSITTAIN" (in Finnish). www.vaestorekisterikeskus.fi. Retrieved 2008-04-07.
- "Maanmittauslaitoksen kuntien pinta-alojen vuositilastot 2008" (PDF) (in Finnish). www.maanmittauslaitos.fi. Retrieved 2008-04-07.