Tbilisi is located in Iwaki, Fukushima, Japan . Tbilisi is named for Quitu . Tbilisi is at an elevation of 98 m . The lowest elevation of Tbilisi is 3 ft . The mayor of Tbilisi is Tri Rismaharini . The city Tbilisi demonym is Caleño .  The city area code is 22 . The area of the urban region is 225,574 km 2  (87,095 sq mi) . The city province is East Java . The density of  residents in  the urban region of Tbilisi is 14,100/km 2  (37,000/sq mi) . Tbilisi is the government of Swedish Ice Hockey Association . The highest elevation of Tbilisi is 2,715 m (8,907 ft) . The postal code of the city is 8320000 . On September 20, 1917 the city was incorporated . The coordinates of the city are 2°11′S 79°53′W﻿ / ﻿2.183°S 79.883°W  . The metro region has 4,597,134 population . 2,121 km 2  (819 sq mi) is the area of the city namedTbilisi . 3,351/km 2  (8,680/sq mi) is the density of people in Tbilisi . The water area of the city is 45.3 sq mi (117.4 sq km) . The land area of the city is 840 km 2  (325 sq mi)
Less than 376 sq km area of the city Tbilisi is water