Buenos Aires

Some Facts:

Established : 1536
Government
- Chief of Government Jorge Telerman (Mauricio Macri elected as successor)

Area
- City 203 km² (78.5 sq mi)
- Land 203 km² (78.5 sq mi)
- Metro 4,758 km² (1,837.1 sq mi)

Population (2001 est.)
- City 2,776,138
- Density 13,679.6/km² (35,430/sq mi)
- Metro 12,400,000