The area of the city is 2,121 km 2  (819 sq mi) . The land area of the city is 314.95 sq mi (815.72 km 2 ) . The lowest elevation of Davao City is 75 m  . The area of the urban region is 2,122 sq mi (5,496 sq km ) . The coordinates of the city are 36°18′N 59°36′E﻿ / ﻿36.300°N 59.600°E . The city has the postal code 207, 208, 220 - 224, 226 - 228, 231 - 239, 241 - 244, 247 - 249, 251 - 253 . Oscar Malapitan is the mayor of Davao City . Davao City is the government of Municipality of Quito . The metro region has 6,310,000 (2017) population . The city Davao City demonym is Recifense . The density of  residents in  the metro region of Davao City is 6,600/km 2  (17,000/sq mi) . This city is named after Society of the Cincinnati . 1,100/km 2  (2,800/sq mi) is the density of residents in Davao City . The water area of the city is 3.73 sq mi (9.67 km 2 ) . Davao City is located in Chile . The city province is Santiago Province . On September 20, 1917 the city was incorporated . The density of  inhabitents in  the urban region of Davao City is 464.71/km 2  (1,203.6/sq mi) . Davao City is at an elevation of 16 ft . The Davao City city highest elevation is 5,364 m (17,598 ft) .  The city area code is 84
+226 is a prefix required to call a number in Davao City