Schloss Oldenburg
Encyclopedia
Oldenburg Castle is a castle in the German city of Oldenburg
Oldenburg
Oldenburg is an independent city in Lower Saxony, Germany. It is situated in the western part of the state between the cities of Bremen and Groningen, Netherlands, at the Hunte river. It has a population of 160,279 which makes it the fourth biggest city in Lower Saxony after Hanover, Braunschweig...
in the state of Lower Saxony
Lower Saxony
Lower Saxony is a German state situated in north-western Germany and is second in area and fourth in population among the sixteen states of Germany...
. It is the former residence of the counts (1667–1785), dukes (1785–1815) and grand dukes (1815–1918) of Oldenburg.