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City
	From top, left to right: view of the city with the Danube River , lion guarding the Chain Bridge , Heroes' Square , the Parliament Building , Fisherman's Bastion , St. Stephen's Basilica , and a panorama from Gellert Hill with Buda Castle on the left.
	Flag Coat of arms
	Nickname(s): Heart of Europe, Pearl of Danube, Capital of Freedom, Capital of Spas and Thermal Baths, Capital of Festivals
Country	Hungary
Region	Central Hungary
Subregion	Budapesti
Unification of Buda , Pest and Obuda	17 November 1873
Boroughs	23 kerulet Varkerulet ; II. kerulet ; Obuda-Bekasmegyer ; Ujpest ; Belvaros-Lipotvaros ; Terezvaros ; Erzsebetvaros ; Jozsefvaros ; Ferencvaros ; K?banya ; Ujbuda ; Hegyvidek ; XIII. kerulet ; Zuglo ; XV. kerulet ; XVI. kerulet ; Rakosmente ; Pestszentl?rinc-Pestszentimre ; Kispest ; Pesterzsebet ; Csepel ; Budafok-Teteny ; Soroksar ;
Government
? Mayor	Istvan Tarlos ( Fidesz - KDNP )
Area
? City	525.16 km 2 (202.77 sq mi)
? Urban	2,538 km 2 (980 sq mi)
? Metro	7,626 km 2 (2,944 sq mi)
Highest elevation	527 m (1,729 ft)
Lowest elevation	96 m (315 ft)
Population (2011)
? City	??,??,???
? Rank	1st
? Density	3,300/km 2 (8,600/sq mi)
? Urban	??,??,???
? Urban density	1,000/km 2 (2,600/sq mi)
? Metro	??,??,???
? Metro density	430/km 2 (1,100/sq mi)
Demonym	budapesti
Time zone	UTC+1 ( CET )
? Summer ( DST )	UTC+2 ( CEST )
Postal code(s)	1011?1239
Area code	1
ISO 3166 code	HU-BU
Website	budapest.hu ; touristinfo: [?]