Hämeenlinna is a city in Finland and the regional capital of Kanta-Häme. It is located in the southern interior of the country and on the shores of …Hämeenlinna is a city in Finland and the regional capital of Kanta-Häme. It is located in the southern interior of the country and on the shores of Lake Vanajavesi. The population of Hämeenlinna is approximately 68,000, while the sub-region has a population of approximately 94,000. It is the 15th most populous municipality in Finland, and the 14th most populous urban area in the country.