Territories over which the Archbishopric/Duchy of Bremen was sovereign, but which were administered by other countries.
Most subdivisions of the Archbishopric/Duchy of Bremen were administered either by appointees of the archbishop/crown or by noble families subject to those sovereign. The following subdivisions, however, were administered by other countries. while remaining under the sovereignty of the Archbishopric or Duchy:
- Peasant Republic of Dithmarschen (self-governing, 1500-1559)
- Gut Wellingsbüttel
- by Hamburg citizens (1544-1574)
- by Holstein citizens (1574-1648)
- by Hamburg citizens (1648-1651)
- Amt Blumenthal (by the Imperial City of Bremen, 1654-1715)
The status of Amt Blumenthal under the sovereignty of the Electorate of Hannover (i.e., after 1715) is covered here.