Aldabra Atoll is a large coral atoll located in the Indian Ocean, part of the Seychelles archipelago. It is one of the world's largest raised coral atolls and is known for its unique biodiversity, including the famous Aldabra giant tortoise. The atoll is a UNESCO World Heritage Site, recognized for its ecological significance and pristine environment. The atoll consists of four main islands and is surrounded by a lagoon. It is home to various species of birds, marine life, and endemic plants. Aldabra is relatively remote and has limited human activity, which helps preserve its natural habitats and ecosystems.