Tripoli is the capital and largest city in Libya. It is also known as Tripoli-of-the-West (Arabic: طرابلس الغرب Ṭarābulus al-Gharb), to distinguish it from its older Phoenician sister city Tripoli, Lebanon known as Ṭarābulus al-Sham |Arabic: طرابلس الشام . It is affectionately called The Mermaid of the Mediterranean (Arabic: عروسة البحر ʼarūsat el-baḥr; lit: "bride of the sea"), describing its turquoise waters and its whitewashed buildings. Tripoli (English pronunciation: /ˈtrɪpɵli/) is a Greek name that means "Three Cities", introduced in Western European languages through the Italian Tripoli. In Arabic: طرابلس it is called Ṭarābulus , Libyan Arabic: Ṭrābləs pronunciation , Berber: Ṭrables, from Ancient Greek: Τρίπολις Trípolis). As of 2011, the Tripoli metropolitan area (district area) had a population of 2.2 million. The city is located in the northwest part of the country on the edge of the desert, on a point of rocky land projecting into the Mediterranean and forming a bay.