There are Northern Alta speakers known as Edimala who live in the Sierra Madre along the river valleys that flow out to the Baler plain in Aurora Province.

The Northern Alta also reportedly live in Dibut, on the coast south of Baler municipality, and north of Dicapanisan.

García-Laguía (2018) collected Northern Alta data in the barangays of Diteki, Dianed, and Decoliat.

[4] García Laguía (2018) also reported that there were Alta people living in the communities of Malabida, Dimani (Barangay Villa), Dupinga, and Labi.

Subjects and other clause constituents are case-marked: person pronouns and demonstratives inflect for case.