Western Iranian languages

The traditional Northwestern branch is a convention for non-Southwestern languages, rather than a genetic group.

There is also a recently described, and as yet unclassified, Batu'i language that is presumably Western Iranian.

[1] Extinct Deilami is sometimes classified in the Caspian branch.

Many of the languages and dialects spoken in Markazi and Isfahan provinces are giving way to Persian in the younger generations.

Adharic), the central dialects, and the Zaza-Gorani languages are likely descended from a later form of Median with varying amounts of Parthian substrata,[8] whereas the Semnani languages were likely descended from Parthian.