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
... the subject of much speculation, much of it negative, though opinions differ. Making a complete assessment is impossible on publically available information. Whilst the ...