Auckland Castle
County Durham, England
Auckland Castle is an episcopal palace in County Durham, England, first built in 1183. It is a Grade I listed building. The nearest other castle is Witton Castle, 3.7 mi away. It is cared for by English Heritage.

Auckland Castle at a glance
Built
1183
12th century
Type
Episcopal palace
Cared for by
English Heritage
Heritage status
Grade I listed building
About Auckland Castle
Auckland Castle, also known as Auckland Palace, is a former bishop's palace located in the town of Bishop Auckland in County Durham, England. The castle was a residence of the bishops of Durham from approximately 1183 and was their primary residence between 1832 and 2012, when the castle and its contents were sold to the Auckland Castle Trust (now the Auckland Project).
From the Wikipedia article on Auckland Castle, CC BY-SA 4.0.
Auckland Castle sits at 54.6664, -1.6706 in County Durham. The closest other castles are Witton Castle (3.7 mi), Brancepeth Castle (4.7 mi) and Raby Castle (7.4 mi). County Durham has 13 castles in all.