- source: Getty Thesaurus of Geographic Names
- source: Family History Library Catalog
- the text in this section is copied from an article in Wikipedia
Newcastle Emlyn is a town straddling the counties of Ceredigion and Carmarthenshire in west Wales (though officially it is in Carmarthenshire) and lying on the River Teifi.
Adpar is the part of the town that lies on the Ceredigion side of the River Teifi. It was formerly called Trefhedyn and was an ancient Welsh borough in its own right.