Indragiri Hulu Regency

Indragiri Hulu (or Upper Indragiri) is a landlocked regency (kabupaten) of Riau, Indonesia. It is located on the island of Sumatra. The original regency was split in two on 4 October 1999, with the western half being created as a separate Kuantan Singingi Regency. The regency now has an area of 8,198.71 km² and had a population of 363,442 at the 2010 census, 408,704 at the 2015 census and 444,548 at the 2020 census; the official estimate as at mid 2022 was 464,076 (comprising 238,119 males and 225,957 females). The administrative seat of the regency is located at the town of Rengat.