Sub-cluster 2-1, characterised by relatively high deprivation but good access to services, includes 357 small areas and a population of 580,000.
Mae is-glwstwr 2-1, a nodweddir gan amddifadedd cymharol uchel ond mynediad da i wasanaethau, yn cynnwys 357 o ardaloedd bach a phoblogaeth o 580,000.