The lightest Local Authorities on the map, indicating a lower concentration of LSOAs from sub-cluster 1-2, are Blaenau Gwent and Powys.
Yr Awdurdodau Lleol goleuaf ar y map, sy’n nodi crynodiad is o ACEHIau o is-glwstwr 1-2, yw Blaenau Gwent a Phowys.