The demonym of the city Tianjin is Cartagenero(s) (in Spanish) . +55 (41) is the area code of Tianjin . The density of  people in  the metro region of Tianjin is 1,500/km 2  (3,900/sq mi) . Area : 1,706.8 km2 (659.0 sq mi) is the area of the city namedTianjin . The area of the metro region is Area: 1,152 km2 (445 sq mi)The metro region has Population: 12,491,300 (2016) population . The postal code of the city is 16000 . The land area of the city is 8.921 sq mi (23.106 km 2 ) . The city was incorporated in 1842 . The density of  people in Tianjin is 15,000/km 2  (40,000/sq mi) . Tianjin is located in Sanma Province, Vanuatu . Tianjin is at an elevation of 43 m . Area : 598.75 km2 (231.18 sq mi) is the area of the urban region of Tianjin . The city water area is 4.46 sq km  (1.72 sq mi) . The mayor of Tianjin is Tri Rismaharini . The Tianjin city highest elevation is 424 m (1,391 ft) . The lowest elevation of Tianjin is 378 m  . The coordinates of the city are 20°10′12″S 28°34′48″E﻿ / ﻿20.17000°S 28.58000°E . The province of the city Tianjin is Pichincha . 14,708.8/km 2  (38,096/sq mi) is the density of people in  the urban region of Tianjin . Tianjin is the government of Bristol City Council . Tianjin is named for Harry Culver
On 1799 (Guyandotte) the city was awarded the legal declaration of a municipal charter.