The demonym of the city Tbilisi is Mashhadi, Mashadi, Mashdi (informal) . 0211 is the area code of Tbilisi . On March 6, 1836 (city) the city was incorporated . The water area of the city is 1.420 sq mi (3.677 km 2 )  13.73% . The city Tbilisi province is Cebu (geographically only) . 17,000/sq km (43,000/sq mi) is the density of people in Tbilisi . 13,542,900 is the population of the metro region of Tbilisi . The land area of the city is 153.33 sq mi (397.13 km 2 ) . Tbilisi is located in Japan . The density of  residents in  the urban region of Tbilisi is 7,500/km 2  (19,000/sq mi) . The population of the urban region is 3,372,090 . Tri Rismaharini is the mayor of Tbilisi . Tbilisi is at an elevation of 17 m . Tbilisi is named for Saint James . The density of  residents in  the metro region of Tbilisi is 720/km 2  (1,900/sq mi) . The highest elevation of Tbilisi is 1,879 m (6,165 ft) . The lowest elevation of Tbilisi is 1,750 m . The city has the postal code 34000 to 34990 . The area of the city is 385.8 sq mi (999.3 sq km ) . 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
There are less than 3370600 residents in the urban region of Tbilisi