Uelzen, officially the Hanseatic Town of Uelzen, is a town in northeast Lower Saxony, Germany, and capital of the district of Uelzen. It is part of the Hamburg Metropolitan Region, a Hanseatic town and an independent municipality.

The Hamburg Metropolitan Region is a metropolitan area centred around the city of Hamburg in northern Germany, consisting of eight districts in the federal state of Lower Saxony, six districts in the state of Schleswig-Holstein and two districts in the state of Mecklenburg-Vorpommern along with the city-state of Hamburg itself. It covers an area of roughly 26,000 square kilometres (10,000 sq mi) and is home to more than 5.1 million inhabitants.