Azerbaijani language
Dialects of Azerbaijani

Azerbaijani is one of the Oghuz languages within the Turkic language family. Ethnologue lists North Azerbaijani (spoken mainly in the Republic of Azerbaijan and Russia) and South Azerbaijani (spoken in Iran, Iraq, and Syria) as two groups within the Azerbaijani macrolanguage with "significant differences in phonology, lexicon, morphology, syntax, and loanwords" between the two. The International Organization for Standardization (ISO) considers Northern and Southern Azerbaijani to be distinct languages. Linguists Mohammad Salehi and Aydin Neysani write that "there is a high degree of mutual intelligibility" between North and South Azerbaijani.

Svante Cornell wrote in his 2001 book Small Nations and Great Powers that "it is certain that Russian and Iranian words (sic), respectively, have entered the vocabulary on either side of the Araxes river, but this has not occurred to an extent that it could pose difficulties for communication". There are numerous dialects, with 21 North Azerbaijani dialects and 11 South Azerbaijani dialects identified by Ethnologue.

Three varieties have been accorded ISO 639-3 language codes: North Azerbaijani, South Azerbaijani and Qashqai. The Glottolog 4.1 database classifies North Azerbaijani, with 20 dialects, and South Azerbaijani, with 13 dialects, under the Modern Azeric family, a branch of Central Oghuz.

In the northern dialects of the Azerbaijani language, linguists find traces of the influence of the Khazar language.

According to Encyclopedia Iranica:

We may distinguish the following Azeri dialects: (1) eastern group: Derbent (Darband), Kuba, Shemakha (Šamāḵī), Baku, Salyani (Salyānī), and Lenkoran (Lankarān), (2) western group: Kazakh (not to be confounded with the Kipchak-Turkic language of the same name), the dialect of the Ayrïm (Āyrom) tribe (which, however, resembles Turkish), and the dialect spoken in the region of the Borchala river; (3) northern group: Zakataly, Nukha, and Kutkashen; (4) southern group: Yerevan (Īravān), Nakhichevan (Naḵjavān), and Ordubad (Ordūbād); (5) central group: Ganja (Kirovabad) and Shusha; (6) North Iraqi dialects; (7) Northwest Iranian dialects: Tabrīz, Reżāʾīya (Urmia), etc., extended east to about Qazvīn; (8) Southeast Caspian dialect (Galūgāh). Optionally, we may adjoin as Azeri (or "Azeroid") dialects: (9) East Anatolian, (10) Qašqāʾī, (11) Aynallū, (12) Sonqorī, (13) dialects south of Qom, (14) Kabul Afšārī.
punctuation:no_comma, detectable_content:number_placeholders[6], detectable_format:title