The Berlengas is an archipelago consisting of granitic islands off the coast of Portugal, located about 10 km off the shore of Peniche.
The 9.500 hectares area was designated a natural reserve by Portugal in 1982 and UNESCO Biosphere Reserve in 2011.
Berlengas Natural Reserve covers the whole archipelago and the surrounding waters and it shelter three endemic species of plants as it also a preferred location for local seabirds nesting that gather in colonies. It also has an unique marine ecossystem, one of the richest of portuguese waters.
The presence of Man in the Berlengas dates back to Roman times in the 1st Century A.D. and it is still possible to find vestiges of its history such as the Mill Site and the Figueiras. Nowadays the landscape of the Berlenga also includes the São João Baptista Fort, the Duque de Bragança Lighthouse, the Bairro de Pescadores and the Castelinho.