TRECASTELL-with-LLANLLUAN, a hamlet, in the parish of LLANARTHNEY; hundred of ISCENNEN; county of CARMARTHEN, SOUTH
WALES, 5 miles (E.) from Carmarthen: the population is included in the return for the parish. It is situated on the left
bank of the river Towy, and the road from Llandilo-Vawr to Carmarthen passes through it. At Capel Dewi was anciently a
chapel.