8°3′S 34°54′W﻿ / ﻿8.050°S 34.900°W are the coordinates of the city. . 68.17 sq mi (176.56 sq km) is the area of the city namedDerby . The area of the urban region is 335.4 sq mi (539.7 km 2 ) . The city water area is 0.37 sq mi (0.95 km 2 ) . Derby is located in Magelang, Central Java . On 1799 (Guyandotte) the city was incorporated . The density of  residents in  the metro region of Derby is 2,200/km 2  (5,700/sq mi) . The Derby citys' lowest elevation is 620 ft . The city land area is 225.73 sq km  (87.15 sq mi) . 850/km 2  (2,200/sq mi) is the density of inhabitents in Derby . The city has the postal code 9XXXXXX . The city Derby province is Sichuan . This city is named after Rao Jodha . The highest elevation of Derby is 91 m (299 ft) .  The city area code is +82-53 . The city Derby demonym is Santiaguinos  (- as ) . The density of  people in  the urban region of Derby is 7,500/km 2  (19,000/sq mi) . Derby is at an elevation of 20 ft . Kakha Kaladze is the mayor of Derby
More than 0 sq mi area of the city Derby is water