Portavogie is a village, townland and fishing port in County Down, Northern Ireland. It lies within the Ards and North Down Borough and is the easternmost settlement in Ireland. It had a population of 2,122 people in the 2011 Census.

County Down is one of the six counties of Northern Ireland, one of the nine counties of Ulster and one of the traditional thirty-two counties of Ireland. It covers an area of 961 sq mi (2,490 km2) and has a population of 552,261. 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.