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
... R 17 S 18 T 19 V 20 W 21 Y 22 Z A Roald Amundsen, (1872-1928), Norwegian, first at the South Pole, first to navigate the Northwest Passage in a single ...