"A parish in the Union of Oswestry, hundred of Chirk, county of Denbigh. ..... This parish is bounded on the north by the river Dee, and on the south by the Ceiriog, which unite on its eastern side. It lies at the foot of the Berwyn range of mountains, which skirt it on the west, and its surface is somewhat uneven, rising from the village to an eminence on which the castle is situated, on the western side, with the Berwyns beyond, and on the eastern to another elevation, from the brow of which there is a delightful prospect of the plain of Salop, on the one side, and on the other a nearer view of part of the Vale of Llangollen. ..... The village is pleasantly situated on the northern bank of the river Ceiriog, which, flowing through a small vale of great beauty, here separates the counties of Denbigh and Salop, and consequently Wales and England." [A Topographical Dictionary of Wales, 1833 & 1849, Samuel Lewis]
The parish comprises the townships of Chirk, Bryncynallt, Halton, Gwernospin and Penyclawdd.