The Ria de Alvor is a coastal lagoon located in the Algarve region of Portugal. It is known for its rich biodiversity, serving as a vital habitat for various bird species, including migratory birds. The lagoon is surrounded by marshes and sandy beaches, making it a popular spot for nature lovers and birdwatchers. The area is also significant for its ecological importance, as it supports a variety of marine life and plant species. The Ria de Alvor is part of a protected natural reserve, ensuring the conservation of its unique ecosystems and promoting sustainable tourism in the region.