Callao is a station on Line D of the Buenos Aires Underground. The station was opened on 23 February 1940 as part of the extension of Line D from Tribunales to Palermo.
It is located at the intersection of avenues Córdoba and Callao.
Media related to Callao (Line D Buenos Aires Underground) at Wikimedia Commons
This Buenos Aires Underground-related article is a stub. You can help Misplaced Pages by expanding it.