Iran
Shiraz, with a population of around 1.8 million (2016 census), is Iran's sixth most populous city. It is the capital of the province of Fars, and was also the capital of Iran under the reign of the Zand dynasty. It is located near the ruins of Persepolis and Pasargadae, two of the four capitals of the Achaemenid Empire.
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.