Castell-nedd Port Talbot
Contae sa Bhreatain Bheag is ea Castell-nedd Port Talbot. Bhí 141,600 duine ina gcónaí ann sa bhliain 2011.

Bailte
Aberafan
Baglan, Blaendulais, Blaengwrach, Bryn
Castell-nedd, Cilybebyll, Coed-ffranc, Cwmafan, Cwmllynfell
Dyffryn Clydach
Glyn-nedd, Glyncorrwg, Gwauncaegurwen
Llansawel
Margam
Onllwyn
Pelenna, Pontardawe, Port Talbot
Resolfen
Tonna
Y Creunant, Ystalyfera

Contaetha na Breataine Bige