Letterston is a rapidly growing village and parish located in the north of Pembrokeshire between Haverfordwest, 10 miles to the south and Fishguard, 6½ miles north on the A40 road. The village's name is derived from the Flemish settler known as Letard Litelking. The parish church is dedicated to St Giles.
In 2011, the population was recorded as 1,245.
- Location map: 51°55’37"N, 4°59’45"W