Davao City is located in Colombia . The land area of the city is 340.5 sq mi (881.9 sq km) . 71 is the area code of Davao City . The metro region has 13,542,900 population . 5,165.1/km 2  (13,378/sq mi) is the density of people in Davao City . The city Davao City province is Guayas . 2,300/km 2  (6,100/sq mi) is the density of inhabitents in  the urban region of Davao City . The area of the city is Area: 223 km2 (86 sq mi) . Population (2014): 5,160,512 is the population of the urban region of Davao City . The city has the postal code 080020 . The Davao City citys' lowest elevation is 2,838 ft . The coordinates of the city are 7°15′55″S 112°44′33″E﻿ / ﻿7.26528°S 112.74250° . The water area of the city is 0.736 sq mi (1.905 sq km) 36.58% . The city Davao City demonym is Istanbulite  . The city was incorporated in 1871 (Huntington) . Davao City is at an elevation of 22 m . 1,352.5/km 2  (3,527/sq mi) is the density of people in  the metro region of Davao City . Davao City is named for Christopher Columbus
This city is named after Rao Jodha