Wikipedia
Ynysddu
Ynysddu is a small village in the Sirhowy valley of south-east Wales. It is part of the district of Caerphilly within the historic boundaries of Monmouthshire. It is next to Cwmfelinfach, 4.3 miles (6.8 km) north of the town of Risca and 4 miles (5.1 km) south of the market town of Blackwood, about 10 minutes by road from the M4 motorway and 35 minutes from the Severn Bridge. The electorate in 2008 was 2,905, increasing to 3,948 at the 2011 Census.