227.70 km 2  (87.92 sq mi) is the area of the urban region of Nizhny Novgorod . The mayor of Nizhny Novgorod is Tri Rismaharini .  The city area code is (+593) 4 . Nizhny Novgorod is located in Republic of the Congo . 3,194.38/km 2  (8,273.4/sq mi) is the density of people in Nizhny Novgorod . Nizhny Novgorod is the government of National Park Service . The Nizhny Novgorod citys' lowest elevation is 2,838 ft . The area of the metro region is Area: 1,190 km2 (460 sq mi) . The city has the postal code 1100 . The city land area is 1.275 sq mi (3.303 km 2 ) . Population: 2,400,653 (2012) is the population of Nizhny Novgorod . The Nizhny Novgorod city highest elevation is 241.9 m (793.6 ft) . 7,500/km 2  (19,000/sq mi) is the density of residents in  the urban region of Nizhny Novgorod . The coordinates of the city are  31°12′N 29°55′E﻿ / ﻿31.200°N 29.917°E . Nizhny Novgorod is at an elevation of 184 m . The province of the city Nizhny Novgorod is Razavi Khorasan . On 1871 (Huntington) the city was incorporated . 1,275/sq km (3,300/sq mi) is the density of people in  the metro region of Nizhny Novgorod
The city Nizhny Novgorod is 8926sq mi populace