Wikipedia
Kutai
Kutai, or Dayak Kutai, is a historic region in East Kalimantan in Indonesia on Borneo and also name of Dayak people on the region with a language of the same name and their historic. Today the name is preserved in the names of three regencies in East Kalimantan, the Kutai Kartanegara Regency, the West Kutai Regency and the East Kutai Regency. The major river of the region was and is the Mahakam River.