Spain has the highest number of UNESCO Biosphere Reserves in the world, with 55 designated sites.
The reserves are part of UNESCO’s Man and the Biosphere Programme, created in 1971 to connect biodiversity conservation with research, education, and sustainable development. They are not simply no-entry national parks: people live and work in many of them, using the landscape through farming, forestry, fishing, and tourism.
Spain’s total includes varied environments, from Atlantic wetlands and Mediterranean forests to volcanic islands and high mountain ranges. The designation reflects both ecological value and the goal of demonstrating ways communities can use natural resources sustainably.
A common mix-up is confusing Biosphere Reserves with UNESCO World Heritage Sites. They are separate programmes with different purposes, and a single location can sometimes hold both designations. Spain’s lead can also change as UNESCO approves new reserves worldwide.