Tri Rismaharini is the mayor of Tbilisi . The metro region has 13,542,900 population . Tbilisi is located in Japan . The city Tbilisi province is Cebu (geographically only) . Tbilisi is at an elevation of 17 m . The Tbilisi city highest elevation is 1,879 m (6,165 ft) . The city Tbilisi demonym is Mashhadi, Mashadi, Mashdi (informal) . The city land area is 153.33 sq mi (397.13 km 2 ) . The density of  residents in  the metro region of Tbilisi is 720/km 2  (1,900/sq mi) . The area of the city is 385.8 sq mi (999.3 sq km ) . The city has the postal code 34000 to 34990 . The Tbilisi citys' lowest elevation is 5,740 ft  .  The city area code is 0211 . On March 6, 1836 (city) the city was incorporated . 17,000/sq km (43,000/sq mi) is the density of people in Tbilisi . This city is named after Saint James . The population of the urban region is 3,372,090 . The city water area is 1.420 sq mi (3.677 km 2 )  13.73% . 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 density of  residents in  the urban region of Tbilisi is 7,500/km 2  (19,000/sq mi)
Tbilisi has an area of 708 sq mi