It is located on the A476 road 11 mi (18 km) south east of the county town, Carmarthen, between Tumble and Swiss Valley.
[2] Llannon has deep historical links with the Rebecca Riots and there is rumoured to be a secret passage under the main road running through the village.
Another public house, called the Greyhound Inn, lies on the Llannon to Hendy road junction.
A refurbishment of the Greyhound Inn included the siting of a new village shop on the premises, but this closed shortly after it opened.
At the May 2022 election Dole lost his seat to fellow Plaid Cymru candidate, Llinos Mai Davies.