Proper noun
A hamlet in Monmouthshire, Wales (OS grid ref SO2706)
Alternative form of Cwmafan in Neath Port Talbot.
Source: en.wiktionary.orgAbersychan and Cwmavon is now a ward for the Pontypool Community Council. Source: Internet
BUILTH marked their return to action following a month lay-off with a battling home win over Cwmavon to climb the Swalec Division Two West Central table. Source: Internet