Klungkung Regency is the smallest regency in the island province of Bali, Indonesia. It has an area of 315 km and had a population at the 2010 Census of 170,543 which increased to 206,925 at the Census of 2020; the official estimate as at mid 2024 was 223,720. The administrative centre for the regency is in the town of Semarapura.