The density of  people in Tbilisi is 17,000/sq km (43,000/sq mi) . The lowest elevation of Tbilisi is 1,750 m .  The city area code is 0211 . The city is 385.8 sq mi (999.3 sq km ) in area . The demonym of the city Tbilisi is Mashhadi, Mashadi, Mashdi (informal) . The postal code of the city is 34000 to 34990 . 3,372,090 is the population of the urban region of Tbilisi . Tri Rismaharini is the mayor of Tbilisi . Tbilisi is located in Japan . Tbilisi is named for Saint James . The Tbilisi city highest elevation is 1,879 m (6,165 ft) . The province of the city Tbilisi is Cebu (geographically only) . 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 water area of the city is 1.420 sq mi (3.677 km 2 )  13.73% . Tbilisi is at an elevation of 56 ft . The density of  residents in  the urban region of Tbilisi is 7,500/km 2  (19,000/sq mi) . 720/km 2  (1,900/sq mi) is the density of residents in  the metro region of Tbilisi . On March 6, 1836 (city) the city was incorporated . The land area of the city is 153.33 sq mi (397.13 km 2 ) . 13,542,900 is the population of the metro region of Tbilisi
There are 3372090 residents in urban region of Tbilisi