Pueyrredón is a station on Line D of the Buenos Aires Underground. The station will have combinations with Line H at Santa Fe.
The station was opened on 23 February 1940 as part of the extension of Line D from Tribunales to Palermo.
Wikipedia https://en.wikipedia.org/wiki/Pueyrredón_(Line_D_Buenos_Aires_Underground)
Coordinates -34°35'41.729" N -58°24'11.307" E