Hilton Hotel Buenos Aires, Av. Macacha Güemes 351, Puerto Madero Hilton Location: Puerto Madero Auditorium: Pacífico Salon Session Rooms: 2nd lower level and 5th floor 'Stands Exhibition & Auditorium: 2nd lower level, Hilton Hotel. For further information on available commercial stands, please contact Mrs. Silvia Pondal at spondal@fibertel.com.ar.