The village of Casterton is located within the county of Cumbria.
The Parish Church (a Grade II listed building) is called Casterton: Holy Trinity and serves the parish of Kirkby Lonsdale Team Ministry and the benefice of Kirkby Lonsdale Team Ministry and belongs to the diocese of Carlisle.
Casterton is situated in the North West (England) region of the UK and is governed by South Lakeland, council.
The village of Casterton is in the East Cumbria region of Cumbria within North West (England).