Llanfair Caereinion

Llanfair Caereinion
River Banwy Bridge with St Mary's Church in the distance.
Llanfair Caereinion
Location within Powys
Population1,810 (2011)
OS grid referenceSJ105065
Principal area
Preserved county
CountryWales
Sovereign stateUnited Kingdom
Post townWELSHPOOL
Postcode districtSY21
Dialling code01938
PoliceDyfed-Powys
FireMid and West Wales
AmbulanceWelsh
UK Parliament
Senedd Cymru – Welsh Parliament

Llanfair Caereinion (Welsh pronunciation) is a market town and community in Montgomeryshire, Powys, Wales upon the River Banwy (also known as the River Einion), around 8 miles west of Welshpool. In 2011 the ward had a population of 1,810; the town itself had a population of 1,055 according to Nomis.