The Maremma is a region in Tuscany and Lazio in Italy, located in the provinces of Grosseto Tuscany, Livorno Tuscany, Pisa Tuscany, Viterbo Lazio and Roma Lazio. Most Italians however will associate the Maremma with the province of Grosseto. It covers an area of approx. 5,000 kmĀ² on the Tyrrhenian coast between Rosignano Marittimo and Santa Marinella, a distance of approx. 230 km.