Callao is a station on Line B of the Buenos Aires Underground.

[1][2][3] The station was opened on 17 October 1930 as the eastern terminus of the inaugural section of the line between Federico Lacroze and Callao.

On 22 July 1931, the line was extended to Carlos Pellegrini.

Media related to Callao (Line B Buenos Aires Underground) at Wikimedia Commons

This Buenos Aires Underground-related article is a stub.