Lohja is a town in Finland, located in the southern interior of the country. Lohja is situated in the western part of the Uusimaa region. The population of Lohja is approximately 46,000. It is the 25th most populous municipality in Finland. Lohja is part of the Helsinki sub-region, but not directly part of the Helsinki metropolitan area.
Lohja covers an area of 1,109.73 square kilometres of which 91.78 km², or 8.3 percent, is water. The population density of Lohja is 48.62 inhabitants per square kilometre.
Lohja has the fourth most summer cottages of any municipality in Finland, with 8,468 in the city as of June 2018. Lohja is close to the Helsinki metropolitan area and benefits from a good road network.
