Tunis (Arabic: تونس Tūnis) is the capital and the largest city of Tunisia. The greater metropolitan area of Tunis, often referred to as Grand Tunis, has some 2,700,000 inhabitants.Situated on a large Mediterranean Sea gulf (the Gulf of Tunis), behind the Lake of Tunis and the port of La Goulette (Ḥalq il-Wād), the city extends along the coastal plain and the hills that surround it.