Lahti is a city and municipality in Finland. Lahti is the capital of the Päijänne Tavastia region. It is situated on a bay at the southern end of lake Vesijärvi about 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.