The density of  people in Tianjin is 15,000/km 2  (40,000/sq mi) . The city is Area : 1,706.8 km2 (659.0 sq mi) in area . The city has the postal code 16000 . Tianjin is named for Harry Culver . +55 (41) is the area code of Tianjin . The lowest elevation of Tianjin is 378 m  . The city land area is 8.921 sq mi (23.106 km 2 ) . The city water area is 4.46 sq km  (1.72 sq mi) . Tri Rismaharini is the mayor of Tianjin . Tianjin is the government of Bristol City Council . The coordinates of the city are 20°10′12″S 28°34′48″E﻿ / ﻿20.17000°S 28.58000°E . The density of  people in  the metro region of Tianjin is 1,500/km 2  (3,900/sq mi) . The city province is Pichincha . The city was incorporated in 1842 . Tianjin is located in Sanma Province, Vanuatu . The area of the metro region is Area: 1,152 km2 (445 sq mi)The metro region has Population: 12,491,300 (2016) population . Tianjin is at an elevation of 141 ft . 14,708.8/km 2  (38,096/sq mi) is the density of people in  the urban region of Tianjin . The highest elevation of Tianjin is 424 m (1,391 ft) . The city Tianjin demonym is Cartagenero(s) (in Spanish) . Area : 598.75 km2 (231.18 sq mi) is the area of the urban region of Tianjin
378 m  is the lowest point in Tianjin