Booterstown is a coastal suburb of the city of Dublin in Ireland. It is also a townland and civil parish in the modern county of Dún Laoghaire–Rathdown. It is situated about 7 km (4.3 mi) south of Dublin city centre.

Dún Laoghaire–Rathdown is a county in Ireland. It is in the province of Leinster and the Eastern and Midland Region. It is one of three successor counties to County Dublin, which was disestablished in 1994. It is named after the former borough of Dún Laoghaire and the barony of Rathdown. Dún Laoghaire–Rathdown County Council is the local authority for the county. The population of the county was 233,860 at the time of the 2022 census.