The Ikalahan also known as Kalanguya (Kalangoya) inhabit the provinces of Benguet in the Cordillera Administrative Region as well as in Nueva Ecija, Nueva Vizcaya, and Pangasinan. This ethnolinguistic group was formerly named as Keley’I, Kalanggutan, Yatukka or Mandek’ey.
The Kayapa Ikalahan population is scattered in northeastern Pangasinan, western Nueva Vizcaya, and western Ifugao in the island of Luzon.
Also known as Antipolo Ifugao, the Keley-i Ikalahan inhabit the northwestern part of Aritao, Nueva Vizcaya in the Cagayan Valley Region. They are also found in Napayo and Kiangan, Ifugao Province (Cordillera Administrative Region).
The Tinoc Ikalahan (also, Tinoc Kalangoya) live in Ifugao Province, particularly in the municipalities of Hungduan and Tinoc Barrio.
More about the Ikalahans here: The Ikalahan People