Helgoland is a small German archipelago located in the North Sea, about 70 kilometers off the coast of Germany. The main island, also called Helgoland, is known for its striking red cliffs and unique wildlife, including various seabird species. The island has a rich history, having been a strategic military site and a popular tourist destination. The island is accessible by ferry and offers various recreational activities, such as hiking and birdwatching. Helgoland is also famous for its duty-free shopping, attracting visitors looking for goods at lower prices. The nearby island of Düne is known for its sandy beaches and is a popular spot for relaxation.