The Welsh village of Efail Isaf is located within the county of Mid Glamorgan and has a population of approximately 1,500.
Efail Isaf is governed by Rhondda Cynon Taf - Rhondda Cynon Taf council.
Efail Isaf is policed by South Wales Police
Efail Isaf is within the Parliamentary Constituency of Pontypridd
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