Caerphilly County Borough is a county borough in south-east Wales. It covers an area of . In 2021 the population was approximately 176,000. The Cadw/ICOMOS Register of Parks and Gardens of Special Historic Interest in Wales was established in 2002 and given statutory status in 2022. It is administered by Cadw, the historic environment agency of the Welsh Government. It includes just under 400 sites, ranging from gardens of private houses, to cemeteries and public parks. Parks and gardens are listed at one of three grades, matching the grading system used for listed buildings. Grade I is the highest grade, for sites of exceptional interest; Grade II*, the next highest, denotes parks and gardens of more than special interest; while Grade II denotes nationally important sites of special interest. There are four registered parks and gardens in Caerphilly County Borough. All four are listed at grade II. Key List of parks and gardens |} See also List of scheduled monuments in Caerphilly Grade I listed buildings in Caerphilly County Borough Grade II* listed buildings in Caerphilly County Borough Notes References Caerphilly County Borough Register of Parks and Gardens of Special Historic Interest in Wales