Ballymena is a town in County Antrim, Northern Ireland. It had a population of 31,205 people at the 2021 Census, making it the seventh largest town in Northern Ireland by population. It is part of the Borough of Mid and East Antrim.

County Antrim is one of the six counties of Northern Ireland, located within the historic province of Ulster. Adjoined to the north-east shore of Lough Neagh, the county covers an area of 3,086 square kilometres (1,192 sq mi) and has a population of 651,321, as of the 2021 census. County Antrim has a population density of 211 people per square kilometre or 546 people per square mile. It is also one of the thirty-two traditional counties of Ireland.