Lahti is a city and municipality in Finland. Lahti is the capital of the region of Päijänne Tavastia (Päijät-Häme). It is situated on a bay at the southern end of lake Vesijärvi about 100 kilometres (60 mi) north-east of the capital Helsinki. In English, the Finnish word Lahti literally means bay. The Lahti region is growing and is one of the main economic hubs of Finland. The coat of arms of the city depicts a train wheel surrounded by flames.