Nanheudwy

Nanheudwy was a medieval commote of Wales considered part of the ancient Kingdom of Powys in the cantref of Swydd y Waun.

[1] It was traditionally defined as the region between the valleys of the rivers Dee and Ceiriog with a mountain ridge running along its length.

[2] From 1160 it was a part of the principality of Powys Fadog until the dissolution of that realm in 1277 when it became a marcher lordship.

In 1542 it was incorporated into the new administrative county of Denbighshire (historic) that had been constructed based on the English shire model.

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