The Maremma is a vast area in Italy bordering the Ligurian and Tyrrhenian Seas, consisting of part of south-western Tuscany - Maremma Livornese and Maremma Grossetana (the later coincident with the province of Grosseto), and part of northern Lazio - Maremma Laziale (in the province of Viterbo and Rome on the border of the region).