|Time zone||UTC+3:30 (IRST)|
|• Summer (DST)||UTC+4:30 (IRDT)|
Khorramshahr (Persian: خرمشهر [xoræmˈʃæhɾ]), also known as Muhammarah (Arabic: المحمرة al-Muḥammarah) and sometimes spelled Khurramshahr, is a city in and the capital of Khorramshahr County, Khuzestan Province, Iran. At the 2016 census, its population was 133,097.
Khorramshahr is an inland port city located approximately 10 kilometres (6.2 mi) north of Abadan. The city extends to the right bank of the Arvand Rud waterway near its confluence with the Haffar arm of the Karun river.