- Borkum is a city located on the island of Borkum in the East Frisian Islands, Northwestern Germany. It is the westernmost and largest of the East Frisian Islands and has a population of around 5,500 residents. Borkum is known for its beautiful sandy beaches, dunes, and nature reserves. The city is a popular tourist destination, offering various outdoor activities such as cycling, hiking, and water sports. Borkum also has a charming town center with shops, restaurants, and cafes. The city has a rich history, with landmarks like the Borkum lighthouse and the Borkum museum showcasing its heritage.