The city has the postal code 34000 to 34990 . 17,000/sq km (43,000/sq mi) is the density of people in Tbilisi . 39°12′45.05″N 140°53′11.217″E﻿ / ﻿39.2125139°N 140.88644917°E﻿ / 39.2125139; 140.88644917 are the coordinates of the city. . The lowest elevation of Tbilisi is 5,740 ft  . The land area of the city is 153.33 sq mi (397.13 km 2 ) . The province of the city Tbilisi is Cebu (geographically only) . 720/km 2  (1,900/sq mi) is the density of residents in  the metro region of Tbilisi . The city is 385.8 sq mi (999.3 sq km ) in area . 7,500/km 2  (19,000/sq mi) is the density of inhabitents in  the urban region of Tbilisi . The water area of the city is 1.420 sq mi (3.677 km 2 )  13.73% . The highest elevation of Tbilisi is 1,879 m (6,165 ft) . This city is named after Saint James . The city was incorporated in March 6, 1836 (city) . The metro region has 13,542,900 population . Tbilisi is located in Japan . The mayor of Tbilisi is Tri Rismaharini . The population of the urban region is 3,372,090 . Tbilisi is at an elevation of 56 ft .  The city area code is 0211 . The city Tbilisi demonym is Mashhadi, Mashadi, Mashdi (informal)
More than 10 sq mi area of the city Tbilisi is land