Located north of Ahvaz, Dezful sits on fertile river plains that connect inland Khuzestan to the Zagros foothills. Its bridges and transport links have long given it strategic value beyond its size.

The city’s importance is tied to water control, agriculture, and transport. During periods of conflict, control of river crossings and road access elevated Dezful’s military relevance.

Dezful has ancient roots as a river settlement in fertile Khuzestan. The Shadirvan Bridge across the Dez River, partially surviving from the Sassanid period, was built using Roman prisoners of war captured by Shapur I after the Battle of Edessa in 260 AD, pointing to the city’s importance as a river crossing on the road between the plateau and Mesopotamia.

The Pahlavi era brought construction of the Dez Dam, one of the largest dams in the region. During the Iran-Iraq War Dezful was one of the most heavily attacked Iranian cities, struck by more Iraqi Scud missiles than almost any other location. Post-war reconstruction rebuilt the city, and Vahdati Air Base remains one of Iran’s key western air force installations.

Today Dezful functions as an agricultural, educational, and regional service centre. Its proximity to energy infrastructure and historic role in wartime logistics keep it within Iran’s southwest strategic planning.