The demonym of the city Derby is Indori . The city land area is 39.28 sq mi (101.74 km 2 ) . The city province is Sichuan . Derby is named for Christ Church, Oxford . 464.71/km 2  (1,203.6/sq mi) is the density of residents in  the urban region of Derby . Soham El Wardini (2018) (BSS/PS) is the mayor of Derby . Derby is at an elevation of 123 m . 1,275/km 2  (3,300/sq mi) is the density of inhabitents in  the metro region of Derby .  The city area code is (+20) 3 . The city has the postal code 95100 . The area of the city is Area: 619 km2 (239 sq mi) . The population of the metro region is 8,653,521 , 8,917,749 (Extended UA) . The lowest elevation of Derby is 75 m  . The density of  inhabitents in Derby is 9,821/km 2  (25,436/sq mi) (2017) . Derby is the government of Kamloops City Council . Derby is located in Cameroon . On February 17, 1909 the city was incorporated . The water area of the city is 0.36 sq mi (0.92 km 2 ) . The Derby city highest elevation is 324 m (1,063 ft) . The coordinates of the city are 0°57′50″N 74°47′47″W﻿ / ﻿10.96389°N 74.79639°W
913 km 2 area of the city Derby is water