Lahti (Swedish: Lahtis) is a Finnish city and municipality.
Lahti is the regional capital of Päijänne Tavastia. It is located on a harbor at the southern end of Lake Vesijärvi, approximately 100 kilometers (60 miles) north of Helsinki. The Finnish name Lahti directly translates to “bay” in English. The Lahti area is expanding and is one of Finland’s primary economic centres.
The city’s coat of arms displays a railway wheel encircled by flames.