Urban classifications dominate most sub-clusters, with Sub-cluster 2-3 having the highest percentage of "Urban city and town" areas at 88.4%, followed by Sub-cluster 2-2 at 81%.
Is-glwstwr 2-3 sydd â’r ganran uchaf o ardaloedd ‘Dinas drefol a thref’, sef 88.4%, ac yna is-glwstwr 2-2, sef 81%.