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Aberystruth

Aberystruth
The summit of Mynydd Carn-y-cefn
one kilometre west of Blaina
looking west

]] [[ Woodland - geograph.org.uk - 493395.jpg|thumb|right|

Nant Ystruth
Cwm-celyn, Blaina

]] Aberystruth was an ancient ecclesiastical parish in Wales, located beside the north-west corner of the county of Monmouthshire against the border with Breconshire and between the parishes of Bedwellty and Trevethin. It extended from Beaufort in the north beyond Abertillery in the south.