The upper area of Denbigh town occupied the greater part of a 4.7 hectare walled enclosure crowning the summit of an isolated hill, with the castle at its highest southern end.
Roedd ardal uchaf tref Dinbych yn meddiannu'r rhan helaethaf o gaer furiog 4.7 hectar yn coroni copa bryn ynysig, gyda'r castell ar ei ben deheuol uchaf.