Wikipedia   "Bremerhaven (German pronunciation: [bʁeːmɐˈhaːfən]) is the seaport of the free city-state of Bremen, a federal state of Germany. It forms an enclave in the state of Lower Saxony and is located at the mouth of the River Weser on its eastern bank, opposite the town of Nordenham. Though a relatively new city, it has a long history as a trade port and today is one of the most important German ports, playing a crucial role in Germany's trade.

Every five years Sail Bremerhaven is held,