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The following alternate names exist for this unit:
| Name | Status | Language | Start | End | Authority |
|---|---|---|---|---|---|
| YSTERLWYF | Preferred | Welsh | M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 226. | ||
| YSTLWYF | Preferred | English | M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 226. |
This unit contained the following units:
| Name | Type | Start | End | Authority |
|---|---|---|---|---|
| MEIDRUM AP/CP | Parish-level Unit | M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 154. |
This unit was part of the following units:
| Name | Type | Start | End | Authority |
|---|---|---|---|---|
| CARMARTHENSHIRE | Ancient County | M. Richards, Welsh Administrative and Territorial Units (Cardiff: University of Wales Press, 1969), p. 226. |
How to reference this page:
GB Historical GIS / University of Portsmouth, Ystlwyf Commote (Cmt) through time, A Vision of Britain through Time.
URL: https://www.visionofbritain.org.uk/unit/10242617
Date accessed: 08th April 2026