Along the Caspian coast south of the Viliazh-Chai River. Northern Talyshi is in Azerbaijan and Iran. Dialects in Azerbaijan are close. Close to Harzani. Azerbaijani is used as literary language.
Speakers are bilingual in Azerbaijani.
Difficult intelligibility with Judeo-Tat. There may also be a Christian dialect. Different from Takestani of Iran. Work in progress. North Caucasian , Northeast, Lezgian.