John Frederick of Schleswig-Holstein-Gottorp was the Lutheran Administrator of the Prince-Archbishopric of Bremen, the Prince-Bishopric of Lübeck and the Prince-Bishopric of Verden.

Stade, officially the Hanseatic City of Stade is a city in Lower Saxony in northern Germany. First mentioned in records in 934, it is the seat of the district which bears its name. It is located roughly 45 km (28 mi) to the west of Hamburg and belongs to that city's wider metropolitan region. Within the area of the city are the urban districts of Bützfleth, Hagen, Haddorf and Wiepenkathen, each of which have a council of their own with some autonomous decision-making rights.