The density of  people in  the urban region of Guayaquil is 7,500/km 2  (19,000/sq mi) . The area of the city is Area: 344.5 km2 (133.01 sq mi) . The Guayaquil citys' lowest elevation is 1 m  . The demonym of the city Guayaquil is Tbilisian , Tbilisite . Guayaquil is the government of Parks Canada .  The city area code is 01 . The postal code of the city is 34000 to 34990 . The metro region is 3,341.11 sq mi (8,653 km 2 ) in area . The city water area is 0.68 sq mi (1.77 km 2 ) . Cynthia Viteri is the mayor of Guayaquil . 1,352.5/km 2  (3,527/sq mi) is the density of inhabitents in  the metro region of Guayaquil . Guayaquil is at an elevation of 4905 ft . On 1900 the city was incorporated . The urban region has 16,349,831 (2nd) population . The land area of the city is 48.42 sq mi (125.41 km 2 )
People of the city Guayaquil are called by Tianjinese , Tianjiner