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