The Tbilisi city highest elevation is 241.9 m (793.6 ft) . 4,800/km 2  (12,000/sq mi) is the density of inhabitents in  the urban region of Tbilisi . The urban region has Population: 3,160,000 (2006) population . The water area of the city is 28.08 km 2  (10.84 sq mi) . Tbilisi is located in South Korea . 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 density of  residents in  the metro region of Tbilisi is 2,200/km 2  (5,700/sq mi) . The land area of the city is 16.0 sq mi (41.4 km 2 ) . Tbilisi is the government of National Park Service . 775 is the area code of Tbilisi . The mayor of Tbilisi is Ken Christian . Tbilisi is at an elevation of 72 ft . The density of  inhabitents in Tbilisi is 17,000/sq km (43,000/sq mi) . The city Tbilisi province is Sindh . The city was incorporated in July 22, 1882 . The city Tbilisi demonym is Alexandrian, Alexandrine (Arabic: إسكندراني‎) . The postal code of the city is 9XXXXXX . 6,310,000 (2017) is the population of the metro region of Tbilisi . This city is named after Confluence of Grand River and Gunnison River . The lowest elevation of Tbilisi is 1,240 ft
Less than 24 km 2 area of the city Tbilisi is water