The city has the postal code 090101 to 090158 . Delhi is located in Greece . The city province is Alborz .  The city area code is +55 (41) . Population: 1,747,152 is the population of Delhi . The mayor of Delhi is Marvin Rees (Lab) . The Delhi citys' lowest elevation is 3 ft . The city land area is 194.74 sq mi (504.38 km 2 ) . 56°19′37″N 44°00′27″E﻿ / ﻿56.32694°N 44.00750°E  are the coordinates of the city. . The density of  people in Delhi is 1,100/sq km  (2,800/sq mi) . The density of  people in  the metro region of Delhi is 2,813/km 2  (7,290/sq mi) . Delhi is at an elevation of 840 m . The density of  people in  the urban region of Delhi is 14,708.8/km 2  (38,096/sq mi) . Delhi is named for James W. Denver . The Delhi city highest elevation is 424 m (1,391 ft) . 5,490,000 (2014-urban, others 2013) is the population of the urban region of Delhi . Delhi is the government of Ministry of Culture . The metro region is 4,558.4 sq km (1,760.0 sq mi) in area . The city was incorporated in 1900 . The demonym of the city Delhi is Mashhadi, Mashadi, Mashdi (informal)
5490000 residents live in the urban region of Delhi