The territory is formed by the frontier municipalities of Figueira de Castelo Rodrigo, Freixo de Espada a Cinta, Miranda do Douro and Mogadouro, having as companion the river Douro, with its steep banks, called "arribas", possessing a rich fauna, particularly At the level of the birds, standing out the Vulture of the Egypt, Eagle-real, Eagle of Bonelli, Stork black and Grifo.
Winter is a rigorous, summer is short, hot and dry, spring and autumn, fresh, giving the landscape a beautiful beauty.
Possessing a valuable cultural and architectural heritage, with evidence for the castles of Miranda do Douro and Mogadouro, the church that served as Miranda cathedral, and the numerous Romanesque churches and villages, which still maintains the traditions.
The beginning of the development of the region is associated with the Treaty of Alcanices between D. Dinis, king of Portugal, and Ferdinand IV, king of Leon and Castile, when the foundation of Miranda do Douro occurs, and consequently the diocese. In the recent past, the region was served by the Sabor Railway Line, with its section being the largest slope on Portugal's railways.