Groomsport is a suburb of Bangor in County Down, Northern Ireland. It is on the south shore of Belfast Lough and on the north coast of the Ards Peninsula. Groomsport has a population of 3,005 people according to the 2011 Census. It is part of the Ards and North Down Borough.

Bangor is a city and seaside resort in County Down, Northern Ireland, on the southern side of Belfast Lough. It is within the Belfast metropolitan area and is 13 miles (22 km) east of Belfast city centre, to which it is linked by the A2 road and the Belfast–Bangor railway line. The population was 64,596 at the 2021 Census. Bangor was granted city status in 2022, becoming Northern Ireland's sixth city.