Mynydd-y-Gaer
Mynydd-y-Gaer is a hill that sits on the boundaries between the South Wales communities of Baglan ( south-western quarter ) , Cwmavon ( south-eastern quarter ) and Briton Ferry , ( northern half ) , all within Neath Port Talbot county borough . 
<triplet> Baglan <subj> Neath Port Talbot <obj> located in the administrative territorial entity <triplet> Cwmavon <subj> Neath Port Talbot <obj> located in the administrative territorial entity <triplet> Briton Ferry <subj> Neath Port Talbot <obj> located in the administrative territorial entity