South Dublin

South Dublin Átha Cliath Theas
County
Coat of arms
Mottoes:  This We Hold in Trust Irish: Ag Seo Ár gCúram
Inset showing South Dublin (darkest green in inset) within Dublin Region (lighter green)
Country	Ireland
Province	Leinster
Region	Eastern and Midland
Established	1994
County town	Tallaght
Government
• Local authority	South Dublin County Council
• Dáil constituencies	Dublin Mid-West Dublin South-Central Dublin South-West
• EU Parliament	Dublin
Area
• Total	222.74 km2 (86.00 sq mi)
Highest elevation (Kippure)	757 m (2,484 ft)
Population  (2022)[1]
• Total	301,075
• Density	1,400/km2 (3,500/sq mi)
Time zone	UTC±0 (WET)
• Summer (DST)	UTC+1 (IST)
Vehicle index mark code	D
Website	Official website

South Dublin (Irish: Átha Cliath Theas)^[2] is a county in Ireland, within the province of Leinster and the Eastern and Midland Region. It is one of three successor counties to County Dublin, which was disestablished for administrative purposes in 1994. South Dublin County Council is the local authority for the county. The county contains both dense suburbs of Dublin and stretches of unpopulated mountains. In 2022 it had a population of 301,705, making it the fourth most populous county in the state.^[1]