Cayo Hundred

Cayo Hundred in Carmarthenshire

Cayo Hundred is one of the hundreds of Carmarthenshire, located in the north-east of the county, adjacent to the border with Cardiganshire. It is bounded to the south-west by Cathinog; to the south-east by Perfedd; and to the north by Cardiganshire. It had a population of 4,057 in 2011.

It comprises the following ancient parishes:

• Cilycwm
• Conwil Gaio
• Llandyfeisant
• Llandeilo Fawr (Cwmcawrlwyd, Manordeilo, Tachloyan and Rhiwlas)^*
• Llandingat (Ystrad)^†
• Llansawel
• Llanwrda
• Llanycrwys (Mynachty)^‡
• Talley

^*: Remainder in Perfedd and Iscennen hundreds.
^†: Remainder In Perfedd hundred.
^‡: In Cathinog hundred.