Capital city in Hungary Budapest Capital city Capital City of Hungary Budapest főváros Clockwise from top left: St. Stephen's Basilica, Liberty Statue on Gellért Hill, Fisherman's Bastion, Széchenyi Chain Bridge, Hungarian Parliament and Heroes' Square Flag Coat of arms Nicknames: Heart of Europe, Queen of the Danube, Pearl of the Danube, Capital of Freedom, Capital of Spas and Thermal Baths, Capital of Festivals Budapest Location within Hungary Show map of Hungary Budapest Location within Europe Show map of Europe Coordinates: 47°29′33″N 19°03′05″E﻿ / ﻿47.49250°N 19.05139°E﻿ / 47.49250; 19.05139Coordinates: 47°29′33″N 19°03′05″E﻿ / ﻿47.49250°N 19.05139°E﻿ / 47.49250; 19.05139 Country Hungary Region Central Hungary Unification of Buda, Pest and Óbuda 17 November 1873 Boroughs 23 Districts I., Várkerület II., Rózsadomb III., Óbuda-Békásmegyer IV., Újpest V., Belváros-Lipótváros VI., Terézváros VII., Erzsébetváros VIII., Józsefváros IX., Ferencváros X., Kőbánya XI., Újbuda XII., Hegyvidék XIII., Angyalföld XIV., Zugló XV., Rákospalota, Pestújhely, Újpalota XVI., Sashalom XVII., Rákosmente XVIII., Pestszentlőrinc-Pestszentimre XIX., Kispest XX., Pesterzsébet XXI., Csepel XXII., Budafok-Tétény XXIII., Soroksár Government [1] • Type Mayor – Council • Body General Assembly of Budapest • Mayor István Tarlós (Independent, supported by Fidesz) Area [2] • Capital city 525.2 km2 (202.8 sq mi) • Urban 2,538 km2 (980 sq mi) • Metro 7,626 km2 (2,944 sq mi) Elevation [3] Lowest (Danube) 96 m Highest (János hill) 527 m (315 to 1,729 ft) Population (2017)[4][5] • Capital city 1,779,361[6] • Rank 1st (10th in EU) • Density 3,351/km2 (8,680/sq mi) • Urban 2,947,722[7] • Metro 3,303,786 Demonyms Budapester, budapesti (Hungarian) Time zone UTC+1 (CET) • Summer (DST) UTC+2 (CEST) Postal code(s) 1011–1239 Area code 1 ISO 3166 code HU-BU NUTS code HU101 HDI (2017) 0.896[8] – very high Website BudapestInfo Official Government Official UNESCO World Heritage Site Official name Budapest, including the Banks of the Danube, the Buda Castle Quarter and Andrássy Avenue Criteria Cultural: ii, iv Reference 400 Inscription 1987 (11th Session) Extensions 2002 Area 473.3 ha Buffer zone 493.8 ha