Janakkala is a municipality of Finland. Its administrative centre is in Turenki, which is often erroneously shown on maps as being "Janakkala". It is located in the province of Southern Finland and is part of the Tavastia Proper region. To the south, Janakkala shares a boundary with Riihimäki, the Northern neighbour being Hämeenlinna. The municipality has a population of 16,862 (31 March 2016) and covers an area of 586.07 square kilometres (226.28 sq mi) of which 38.63 km2 (14.92 sq mi) is water. The population density is 30.8 inhabitants per square kilometre (80/sq mi). In Janakkala the rate of unemployment is 9.7% and the rate of municipal taxes is 19.5%.