Tbilisi is named for Confluence of Grand River and Gunnison River . 2,200/km 2  (5,700/sq mi) is the density of residents in  the metro region of Tbilisi . 775 is the area code of Tbilisi . The demonym of the city Tbilisi is Alexandrian, Alexandrine (Arabic: إسكندراني‎) . Tbilisi is at an elevation of 72 ft . The lowest elevation of Tbilisi is 1,240 ft . Tbilisi is located in South Korea . The mayor of Tbilisi is Ken Christian . 4,800/km 2  (12,000/sq mi) is the density of inhabitents in  the urban region of Tbilisi . The coordinates of the city are 39°12′45.05″N 140°53′11.217″E﻿ / ﻿39.2125139°N 140.88644917°E﻿ / 39.2125139; 140.88644917 . The postal code of the city is 9XXXXXX . The city was incorporated in July 22, 1882 . 6,310,000 (2017) is the population of the metro region of Tbilisi . 17,000/sq km (43,000/sq mi) is the density of residents in Tbilisi . The city water area is 28.08 km 2  (10.84 sq mi) . The Tbilisi city highest elevation is 241.9 m (793.6 ft) . The city land area is 16.0 sq mi (41.4 km 2 ) . Population: 3,160,000 (2006) is the population of the urban region of Tbilisi . Tbilisi is the government of National Park Service . The city province is Sindh
In the map the city could be found at 39°12′45.05″N 140°53′11.217″E﻿ / ﻿39.2125139°N 140.88644917°E﻿ / 39.2125139; 140.88644917 by Tbilisi