UNESCO Adds Serra da Estrela to the World Network of Biosphere Reserves at the 38th MAB ICC Session — Six-Municipality Mountain Range Spans 2,372.99 km² and Lifts Portugal's Roster to 14
UNESCO's Man and the Biosphere (MAB) Programme designated the Serra da Estrela as a Biosphere Reserve at the 38th ICC session in June 2026 — 2,372.99 km² across Seia, Gouveia, Celorico da Beira, Guarda, Manteigas and Covilhã, lifting Portugal's roster to 14.