Category:2021 in Buenos Aires

Most populous urban areas of the world: Alexandria [EG] · Algiers [DZ] · Amman [JO] · Ankara [TR] · Atlanta [US] · Baghdad [IQ] · Bangkok [TH] · Barcelona [ES] · Beijing [CN] · Bengaluru [IN] · Bogotá [CO] · Boston [US] · Buenos Aires [AR] · Busan [KR] · Cairo [EG] · Chennai [IN] · Chicago [US] · Chongqing [CN] · Colombo [LK] · Dallas [US] · Delhi [IN] · Detroit [US] · Dhaka [BD] · Dongguan [CN] · Dubai [AE] · Faisalabad [PK] · Fukuoka [JP] · Guadalajara [MX] · Guangzhou [CN] · Guatemala City [GT] · Hangzhou [CN] · Hanoi [VN] · Ho Chi Minh City [VN] · Hong Kong [CN] · Houston [US] · Hyderabad [IN] · Istanbul [TR] · Jakarta [ID] · Karachi [PK] · Kinshasa [CD] · Kolkata [IN] · Kuala Lumpur [MY] · Lagos [NG] · Lahore [PK] · Lima [PE] · London [GB] · Los Angeles [US] · Luanda [AO] · Madrid [ES] · Manila [PH] · Mexico City [MX] · Miami [US] · Milan [IT] · Moscow [RU] · Mumbai [IN] · Nagoya [JP] · Nairobi [KE] · New York City [US] · Osaka [JP] · Paris [FR] · Philadelphia [US] · Pune [IN] · Rio de Janeiro [BR] · Saint Petersburg [RU] · San Francisco [US] · Santiago [CL] · São Paulo [BR] · Seoul [KR] · Shanghai [CN] · Shenzhen [CN] · Singapore [SG] · Surabaya [ID] · Suzhou [CN] · Taipei [TW] · Tehran [IR] · Tokyo [JP] · Toronto [CA] · Visakhapatnam [IN] · Washington, D.C. [US] · Xi'an [CN]