Republic of Azerbaijan Azərbaycan Respublikası  (Azerbaijani)
Anthem:
Location of Azerbaijan (green)
Capital and largest city	Baku 40°23′43″N 49°52′56″E / 40.39528°N 49.88222°E / 40.39528; 49.88222
Official languages	Azerbaijani
See full list
Ethnic groups (2009)	91.6% Azerbaijani 2.0% Talysh 2.0% Lezgin 1.4% Armenian 1.3% Russian 2.4% others
Religion	96.9% Islam 3.0% Christianity 0.1% Other
Demonym(s)	Azerbaijani Azeri
Government	Unitary semi-presidential republic
• President	Ilham Aliyev
• Vice President	Mehriban Aliyeva
• Prime Minister	Ali Asadov
• National Assembly Speaker	Sahiba Gafarova
Legislature	National Assembly
Formation
• Democratic Republic	28 May 1918
• Soviet Socialist Republic	28 April 1920
• Independence from Soviet Union	30 August 1991 (declared) 18 October 1991 (independence) 25 December 1991 (completed)
• Full membership into the CIS	21 December 1991
• Admitted to the United Nations	2 March 1992
• Constitution adopted	12 November 1995
Area
• Total	Lua error in Module:Convert at line 1850: attempt to index local 'en_value' (a nil value). (112th)
• Water (%)	1.6
Population
• April 2021 estimate	10,130,100 (90th)
• Density	Lua error in Module:Convert at line 1850: attempt to index local 'en_value' (a nil value). (99th)
GDP (PPP)	2019 estimate
• Total	$189.050 billion
• Per capita	$18,793
GDP (nominal)	2019 estimate
• Total	$45.284 billion
• Per capita	$4,498
Gini (2008)	▲ 33.7 medium
HDI (2019)	0.756 high · 88th
Currency	Manat (₼) (AZN)
Time zone	UTC+4 (AZT)
Date format	dd.mm.yyyy (CE)
Driving side	right
Calling code	+994
ISO 3166 code	AZ
Internet TLD	.az

Azerbaijan (Azerbaijani: Azərbaycan; officially called the Republic of Azerbaijan) is a country in the South Caucasus region of Eurasia. It is next to Russia in the north, Georgia, Armenia in the west, Iran in the south, and Caspian Sea on the east. Its capital city is Baku.

Azerbaijan also includes the Nakhchivan Autonomous Republic, an enclave, which is next to Armenia to the north and east, Iran to the south and west, and Turkey to the northwest.