Temanggung Regency is an inland regency in the Central Java Province of Indonesia. It covers a land area of 870.65 km2 and had a population of 708,546 at the 2010 Census and 790,174 at the 2020 Census; the official estimate as of mid-2023 was 808,446, comprising 406,100 males and 402,346 females. Its capital is the town of Temanggung. All travellers going to the Dieng temple complex from Yogya or Semarang have to pass through this regency.