Dezfuli

The Dezfulis and Shushtaris are the old urban populations of Dezful and Shushtar, twin historic cities of northern Khuzestan at the foot of the Zagros, who speak Dezfuli-Shushtari, a Southwestern Iranian variety with its own ISO code (def). Linguists disagree on its place: Glottolog groups it with Luri in a 'Luri-Dezfuli' branch, Iranica places it with the southern Luri dialects, and others treat it as a strongly Luri-influenced dialect of Persian. Speakers generally identify as Persian-speaking Iranians with a strong civic identity ('Dezfuli', 'Shushtari') rather than as Lurs, and local writers link their speech to the ancient Khuzi language of Khuzestan mentioned by early Islamic geographers. Dezfuli and Shushtari differ mainly in their vowels. Both cities are among the oldest continuously inhabited in Iran: Dezful's name comes from 'dez' (fortress) and 'pol' (bridge), after its Sasanian bridge of Shapur I's time, and Shushtar was the Elamite Adamdun and a Sasanian summer capital. Dezfulis and Shushtaris have a significant presence in Ahvaz and Tehran.

Dezfuli culture is that of an old, close-knit brick city on the Dez river. Its historic quarter, often called Iran's 'museum of brick', has Safavid-era houses with intricate brickwork and shavadan, deep underground rooms cut into the conglomerate beneath the houses where families escaped the summer heat of over 50 C. Dezful is famous for its reed pens (qalam-e ni) used by calligraphers across Iran and once exported to Turkey and China, for basketry and mat-weaving, woodwork and copper-smithing, and young men keep a tradition of diving from the old bridge and riverside platforms into the Dez. Family and neighbourhood life revolves around religious and life-cycle rites: the dast-razun henna night before a wedding, the bireq-zanun flag ceremony honouring returning pilgrims at Eid al-Adha, and Muharram processions with towering banners (alam). Dezfuli poets such as Mohammad-Taqi Nahidi wrote in the local dialect, and dictionaries of Dezfuli vocabulary are a focus of local heritage efforts. Shushtar shares the dialect and a heritage centred on its UNESCO-listed hydraulic system of weirs, mills and canals.

Dezfulis and Shushtaris are Twelver Shia and are known in Khuzestan for a conservative, observant urban piety. Muharram and Ashura are the high point of the year, with neighbourhood heyats (mourning associations), processions carrying alams up to 12 m tall, passion recitals and votive meals. Shrines on the riverbanks, notably the Rudband shrine in Dezful, attract pilgrims and vow-makers, and the Eid al-Adha bireq-zanun ritual honours those returning from Hajj. The Iran-Iraq War, during which Dezful was struck by more than 160 Iraqi missiles, gave the city a strong culture of martyr commemoration tied to state religion. Folk practices such as vows, amulets and protective prayers against the evil eye remain common. No data exist on secularisation specific to these cities, though national surveys show rapid change among youth.

Dezfuli has a New Testament according to Joshua Project's language data, and Bible.is (Korpu) offers Dezfuli text, audio and video, including the Gospel of Luke film. Global Recordings Network has audio in the language. No JESUS Film exists in Dezfuli itself, but Dezfulis understand standard Persian fully, so Persian Bibles, the Persian JESUS Film, satellite television and online ministries are accessible. No church or fellowship of Dezfuli background is publicly known; Joshua Project lists 0% Christian.