Valley is a village, community, and former electoral ward near Holyhead on the west coast of Anglesey, North Wales. The population during the 2001 census was 2,413, decreasing to 2,361 at the 2011 census.

The Isle of Anglesey County Council is the local authority for the Isle of Anglesey, a principal area with county status in Wales. Since 2022 the council has 35 councillors who represent 11 multi-member electoral wards.