Heligoland is a small archipelago located in the North Sea, belonging to Germany. It consists of two main islands, Hauptinsel and Düne, and is known for its unique red cliffs and sandy beaches. The islands are a popular tourist destination, offering opportunities for birdwatching and water sports. Historically, Heligoland has been significant for military and strategic purposes. It was occupied by the British for over a century before being returned to Germany in 1952. Today, the islands are recognized for their natural beauty and are part of the North Sea conservation efforts.