Die Freie Hansestadt Bremen is a city state and Hanseatic city in Northwestern Germany. A commercial and industrial city with a major port on the Weser river, Bremen is part of the Bremen/Oldenburg Metro Region of 2.4 million people. It’s the 2nd-most populous city in Northern Germany and #10 countrywide, located 60 km south of the Nordsee (North Sea). With Bremerhaven right on the coast, the two comprise the state of the Free Hanseatic City of Bremen. The marshes and moraines near Bremen have been settled since about 12,000 BC. Burial places and settlements in Bremen-Mahndorf and Bremen-Osterholz date back to the 7th century AD. Since the age of the Renaissance, some scientists have believed that the entry Fabiranum in Ptolemy’s Fourth Map of Europe, written in 150 AD, refers to Bremen. Bremen also was a very important town in the Middle Ages in regards to trade. As of 2009, it had a population of 547,700 of whom about 137,000 (~25%) were of non-German origin or ethnicity.