Seahill is a village in County Down, Northern Ireland.

It is situated within the BT18 postcode district, which is within the Holywood post town.

BT18 is the only postcode district within the Holywood post town.

The Holywood post town is within the Northern Ireland postcode area.


Key data for Seahill:

A map showing the location of Seahill within the BT18 postcode district