The Maremma is a vast geographical region between Tuscany and Lazio, which overlooks the Tyrrhenian Sea. The Maremma is a vast territory and borders difficult to define. The Maremma is divided into three zones: the Maremma livornese or Maremma pisana, also known as Upper Maremma or Northern Maremma; It concerns mostly the province of Livorno and parts placed on hills of Pisa. The Maremma: the central part, in the province of Grosseto, along the coast between the Gulf of Follonica and Chiarone mouth of the stream. The Lazio Maremma, the southern part, extends in the western part of the province of Viterbo at the northwestern end of the province of Rome.