Mäntsälä

Mäntsälä () is a municipality in the province of Southern Finland, and is part of the Uusimaa region. It has a population of () and covers an area of of which is water. The population density is . The municipality is unilingually Finnish. Mäntsälä is one of three municipalities in the Uusimaa region that do not have a Swedish name; the others are Nurmijärvi and Askola.

failed coup attempt in Finland in 1932

railway station in Mäntsälä, Finland

Sälinkää (; , ) is a village in the Mäntsälä municipality in Uusimaa, Finland, with over 200 inhabitants. It is located northwest of the Mäntsälä's municipal centre and southeast of Oitti, the municipal centre of Hausjärvi. The north-south road 1471 from Hausjärvi to Mäntsälä passes through the village. Lake Kilpijärvi is located near Sälinkää.

the administrative centre of the Mäntsälä municipality, Finland