The postal code of the city is EC1701 . Federico Gutiérrez, 2016-2019 is the mayor of Tbilisi . The area of the urban region is 2,122 sq mi (5,496 sq km ) . The area of the city is Area: 116 km2 (45 sq mi) . The Tbilisi city highest elevation is 5,364 m (17,598 ft) . The coordinates of the city are 00°14′S 78°31′W﻿ / ﻿0.233°S 78.517°W . On 1871 (Huntington) the city was incorporated . The lowest elevation of Tbilisi is 190 m  . This city is named after Calgary, Mull . Tbilisi is located in Sanma Province, Vanuatu . Tbilisi is at an elevation of 3066.3 ft . 1,500/km 2  (3,900/sq mi) is the density of inhabitents in  the metro region of Tbilisi . The land area of the city is 11,609.91 km 2  (4,482.61 sq mi) . 1,100/sq km  (2,900/sq mi) is the density of inhabitents in Tbilisi . 7,500/km 2  (19,000/sq mi) is the density of people in  the urban region of Tbilisi . The city water area is 6.80 sq mi (17.62 sq km )  3.0% . 8,653,521 , 8,917,749 (Extended UA) is the population of the metro region of Tbilisi . The city Tbilisi demonym is Durbanite . +226 is the area code of Tbilisi . Tbilisi is the government of Municipality of Quito
There are more than 8655426 people in the metro region of Tbilisi