Portchester Castle
Hampshire, England
Portchester Castle is a castle in Hampshire, England, first built in 1100. It is a scheduled monument. The nearest other castle is Southsea Castle, 4.3 mi away. It is cared for by English Heritage.

Portchester Castle at a glance
Built
1100
11th century
Type
Castle
Cared for by
English Heritage
Heritage status
scheduled monument
Grade I listed building
About Portchester Castle
Portchester Castle is a medieval fortress that was developed within the walls of the Roman Saxon Shore fort of Portus Adurni at Portchester, to the east of Fareham in Hampshire.
From the Wikipedia article on Portchester Castle, CC BY-SA 4.0.
Portchester Castle sits at 50.8375, -1.1150 in Hampshire. The closest other castles are Southsea Castle (4.3 mi), Warblington Castle (6.5 mi) and Calshot Castle (8.5 mi). Hampshire has 13 castles in all.