See: List of castles, Castles in England, Castles in Scotland, Castles in Northern Ireland
Anglesey
Clwyd
Dyfed
Glamorgan
Gwent
Gwynedd
Powys
South Glamorgan
West Glamorgan
... A supporter of King Charles I of England during the English Civil War. 2. In the UK, a believer in the continued desirability of the royal family (the term "royalist" ...