In 1887, John Bartholomew's Gazetteer of the British Isles described Ynysddu like this:
Ynysddu, ry. sta., Monmouthshire, 4 miles NW. of Risca and 2 miles S. of Tredegar Junction.
Additional information about this locality is available for Mynyddislwyn
Ynysddu through time
Ynysddu is now part of Caerphilly district. Click here for graphs and data of how Caerphilly has changed over two centuries. For statistics about Ynysddu itself, go to Units and Statistics.
GB Historical GIS / University of Portsmouth, History of Ynysddu, in Caerphilly and Monmouthshire | Map and description, A Vision of Britain through Time.
URL: https://www.visionofbritain.org.uk/place/24075
Date accessed: 18th April 2024
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