Flag of Bremen city and state, Germany

Bremen (German: [ˈbʁeːmən] ), officially the Free Hanseatic City of Bremen (German: Freie Hansestadt Bremen; Low German: Free Hansestadt Bremen), is the smallest and least populous of Germany's 16 states. It is informally called Land Bremen ('State of Bremen'), although the term is sometimes used in official contexts. The state consists of the city of Bremen and its seaport exclave, Bremerhaven, surrounded by the larger state of Lower Saxony in northern Germany. Bremen (Low German also: Breem or Bräm), officially the City Municipality of Bremen (German: Stadtgemeinde Bremen, IPA: [ˈʃtatɡəˌmaɪndə ˈbʁeːmən] ), is the capital of the German state of the Free Hanseatic City of Bremen (Freie Hansestadt Bremen), a two-city-state consisting of the cities of Bremen and Bremerhaven. With about 577,000 inhabitants, the Hanseatic city is the 11th-largest city of Germany and the second-largest city in Northern Germany after Hamburg. Bremen is the largest city on the River Weser, the longest river flowing entirely in Germany, lying some 60 km (37 mi) upstream from its mouth into the North Sea at Bremerhaven, and is completely surrounded by the state of Lower Saxony. Bremen is the centre of the Northwest Metropolitan Region, which also includes the cities of Oldenburg and Bremerhaven, and has a population of around 2.8 million people. Bremen is contiguous with the Lower Saxon towns of Delmenhorst, Stuhr, Achim, Weyhe, Schwanewede and Lilienthal. There is an exclave of Bremen in Bremerhaven, the "Citybremian Overseas Port Area Bremerhaven" (Stadtbremisches Überseehafengebiet Bremerhaven). Bremen is the fourth-largest city in the Low German dialect area after Hamburg, Dortmund and Essen. Bremen's port, together with the port of Bremerhaven at the mouth of the Weser, is the second-largest port in Germany after the Port of Hamburg. The airport of Bremen (Flughafen Bremen "Hans Koschnick") lies in the southern borough of Neustadt-Neuenland and is Germany's 12th-busiest airport. Bremen is a major cultural and economic hub of Northern Germany. The city is home to dozens of historical galleries and museums, ranging from historical sculptures to major art museums, such as the Bremen Overseas Museum (Übersee-Museum Bremen) or the Weserburg. The Bremen City Hall and the Bremen Roland form the UNESCO World Heritage Site "Town Hall and Roland on the Marketplace of Bremen". Bremen is well-known through the Brothers Grimm's fairy tale "Town Musicians of Bremen" (Die Bremer Stadtmusikanten), and there is a statue dedicated to it in front of the city hall. Bremen has a reputation as a working-class city. The city is home to many multinationals and manufacturing companies headquartered in Bremen include Hachez chocolate and Vector Foiltec. Bundesliga club SV Werder Bremen play in the Weserstadion on the bank of the Weser.