Grand Tunis or Greater Tunis (Arabic: êÃÂÃÂó çÃÂÃÂèñÃÂ, French: Grand Tunis) is the largest metropolitan area in Tunisia, centered on the country's capital Tunis. It consists of four governorates: Tunis, Ariana, Manouba and Ben Arous. According to the 2004 population census, the area of Grand Tunis is home to 2,247,800 people.recent estimates suggest it is home to over than 2.8 million people which makes Tunis by far the largest city in the country ans its economical and cultural hub .