Llanfoist Fawr (Welsh: Llan-ffwyst Fawr) is a community in the county of Monmouthshire, Wales, and is located 23.8 miles (38.3 km) from Cardiff and 126.3 miles (203.2 km) from London.[2][3] In 2011 the population of Llanfoist Fawr was 3217 with 10.2% of them able to speak Welsh.[4]
The community includes the villages of Govilon, Llanwenarth, Llanellen and Llanfoist itself. The name of the local school is also Llanfoist Fawr.
Llanfoist Fawr is also the name of a county electoral ward, which elects a county councillor to Monmouthshire County Council. The county ward includes part of the Llanfoist Fawr community, namely the community wards of Llanfoist, Llanellen and Llanwenarth Citra.[5] The Llanwenarth Ultra ward (covering Govilon) elects its own county councillor. All four community wards elect or co-opt up to twelve community councillors to Llanfoist Fawr Community Council.[6]