Lohja has been a focal point for the population and economy of Western Uusimaa since the early 14th century. Lohja has an excellent location near the Helsinki Area and it benefits from a good road network.
The Landscape of Lohja is characterized by manors and gardens. The Lohja area is divided by the ridge Lohja which forms a watershed for southern Finland´s largest lake system, Lake Lohja.