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Graig-y-Rhacca
Road to Graig-y-Rhacca
Graig-y-Rhacca Location within Caerphilly
Population	1,263
Principal area	Caerphilly
Preserved county	Gwent
Country	Wales
Sovereign state	United Kingdom
Post town	CAERPHILLY
Postcode district	CF83
Dialling code	029
Police	Gwent
Fire	South Wales
Ambulance	Welsh
UK Parliament	Caerphilly
List of places UK Wales Caerphilly 51°35′38″N 3°09′54″W / 51.594°N 3.165°W / 51.594; -3.165

Graig-y-Rhacca is a housing estate bordering Trethomas, Bedwas and Machen in the borough of Caerphilly, southeastern Wales. The town is about 8 miles to the west of Newport and 4 miles to the east of Caerphilly. The town mainly consists of local authority tenancies and privately owned estates.

The median age of the town was 40 as of the 2011 census. The biggest age group in the town was 49-59 year olds, with 20% of the population. 96.7% of the population were from the United Kingdom with only 1.2% from outside of the EU, compared to 3.3% in Wales.^{[ citation needed]}