About County Down
County Down (Irish: Contae an Dúin) is one of six counties that form Northern Ireland, in the northeast of the island of Ireland. It covers an area of 2,448 km2 (945 sq mi) and has a population of 531,665. It is also one of the thirty-two traditional counties of Ireland and is within the province of Ulster. It borders County Antrim to the north, the Irish Sea to the east, County Armagh to the west, and County Louth across Carlingford Lough to the southwest.
In the east of the county is Strangford Lough and the Ards Peninsula. The largest town is Bangor, on the northeast coast. Three other large towns and cities are on its border: Newry lies on the western border with County Armagh, while Lisburn and Belfast lie on the northern border with County Antrim. Down contains both the southernmost point of Northern Ireland (Cranfield Point) and the easternmost point of Ireland (Burr Point).
In March 2018, The Sunday Times published its list of Best Places to Live in Britain, including five in Northern Ireland. The list included three in County Down: Holywood, Newcastle, and Strangford.
Border location has been derived from OSNI Open Data (50K Boundaries) reducing the resolution from 30000 points to 1000.