October 5 from 3PM in the venue Tacheles (Adolfo Alsina 1475, City of Buenos Aires)
(click the image for Open Street Map o click here for google maps)
You can arrive via subway lines A, C and B and bus lines 56, 7, 105, 50, 37, 150, 8, 86, 103, 6, 23, 12, 60, 64, 102, 98, 151, 168...
It's close to the National Congress so it's very easy to get there.