Ystradgynlais
| Ystradgynlais Ystradgynlais |
|
| — Siā-lí — | |
|
|
|
  Ystradgynlais |
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| Keng-hūi-tō͘: 51°47′N 3°45′W / 51.78°N 3.75°W | |
| Chú-khoân-kok |  Liân-ha̍p Ông-kok
|
|---|---|
| Chó͘-sêng-kok |  Ui-le̍k-sū
|
| Kūn | Powys Kūn |
Ystradgynlais (Eng-gí: Ystradgynlais; Ui-le̍k-sū-gí: Ystradgynlais) sī Liân-ha̍p Ông-kok Ui-le̍k-sū Powys Kūn ê chi̍t ê siā-lí (community).