Khorramshahr ( , Arabic: المحمرة, also Romanized as Khorramchahre and Khurramshahr; formerly known as Mohammerah and also known as Khorram Shahr Ābādān and Khūnīn Shahr; formerly, Al-khoramshahr, khunin shahr, and khoramshahr) is a city in and the capital of Khorramshahr County, Khuzestan Province, Iran. At the 2006 census, its population was 123,866, in 26,385 families.