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The following alternate names exist for this unit:
| Name | Status | Language | Start | End | Authority |
|---|---|---|---|---|---|
| GWERTHRYNION | Preferred | Welsh | M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 84. | ||
| GWRTHEYRNION | Preferred | English | M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 84. |
This unit contained the following units:
| Name | Type | Start | End | Authority |
|---|---|---|---|---|
| LLANFIHANGEL HELYGEN CP/AP | Parish-level Unit | M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 121. | ||
| LLANLLYR CP/AP | Parish-level Unit | M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 134. | ||
| NANTMEL CP/AP | Parish-level Unit | M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 163. | ||
| RHAEADR AP/CP | Parish-level Unit | M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 185. | ||
| ST HARMON CP/AP | Parish-level Unit | M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 194. |
This unit was part of the following units:
| Name | Type | Start | End | Authority |
|---|---|---|---|---|
| RADNORSHIRE | Ancient County | M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 84. |
How to reference this page:
GB Historical GIS / University of Portsmouth, Gwrtheyrnion Commote (Cmt) through time, A Vision of Britain through Time.
URL: https://www.visionofbritain.org.uk/unit/10146999
Date accessed: 08th April 2026
