The Natural Park of Maremma was the first park of the Tuscan Region, established by LR 65, 5 June 1975. It is one of the most affected province of Grosseto. Inside there are some areas of the most beautiful and untouched coastline of the Maremma. The Province of Grosseto (Italian: Provincia di Grosseto) is a province in the Tuscany region of Italy. Its capital is the city of Grosseto. It has an area of 4,504 km², and a total population of 227.498 (2010). There are 28 comuni (singular: comune) in the province. As of June 2005, the main comuni by population are: