Vihti is a municipality in Finland, located in the southern interior of the country. Vihti is situated in the Uusimaa region. The population of Vihti is approximately 29,000. It is the 37th most populous municipality in Finland. Vihti is part of the Helsinki metropolitan area, which has approximately 1.58 million inhabitants.

Helsinki metropolitan area or Greater Helsinki is the metropolitan area around Helsinki, the capital city of Finland. It also includes the smaller capital region. The terms Helsinki metropolitan area, Greater Helsinki, Capital region and the other terms used are not fixed and may vary in different contexts.