Lebak Regency is a regency of Banten province, Indonesia. It is located on the island of Java. The regency has an area of 3,481.35 km² and had a population of 1,204,095 at the 2010 census and 1,386,793 at the 2020 census; the official estimate as at mid 2023 was 1,480,593. The town of Rangkasbitung in the north of the regency is the administrative centr…Lebak Regency is a regency of Banten province, Indonesia. It is located on the island of Java. The regency has an area of 3,481.35 km² and had a population of 1,204,095 at the 2010 census and 1,386,793 at the 2020 census; the official estimate as at mid 2023 was 1,480,593. The town of Rangkasbitung in the north of the regency is the administrative centre. The regency is bordered by the Pandeglang Regency to the west, the Serang Regency to the north, and the Tangerang Regency to the north-east, by the Bogor and Sukabumi regencies to the east, and by the Indian Ocean to the south.