Coleraine () is a very large town in County Londonderry, Northern Ireland near to the mouth of the River Bann. It is northwest of Belfast and east of Derry City, both of which are linked by major roads and railway connections. George Best Belfast City Airport to the south–east, City of Derry Airport, to the west, and the main regional airport, Belfast International Airport, to the south are all relatively accessible from Coleraine.