Shiraz
, Shiraz has a population of 1,700,665 the majority of whom are Persian. Most of the population of Shiraz are Muslims. Shiraz also was home to a 20,000-strong Jewish community, although most emigrated to the United States and Israel in the latter half of the 20th century. Along with Tehran and Esfahan, Shiraz is one of the handful of Iranian cities with a sizable Jewish population, and more than one active synagogue. Though officially Muslims, many Shirazis privately practice Zoroastrianism or at least hold it in high regard.
2005 Ahvaz unrest
The Arabs of Iran are concentrated in the province of Khuzestan and number between half a million to 2 million. These Arabs are descendants of Shi'ite Arab tribes gradually migrating to Iran since 16th (During Ottomon sovereignty on Arabian peninsula). Most Iranian Arabs are Shi'a, but a small minority of Sunni Muslim Arabs live along the Persian Gulf coastline. In Khuzestan, Arabs are the dominant ethnic group in Shadegan, Hoveyzeh and Susangerd, a majority in Mahshahr and Khorramshahr, a minority in Abadan and together with Persians, Arabs are one of the two main ethnic groups in Ahvaz.