Where we are:
In via San Nicola da Tolentino 50
among via Veneto and piazza
Barberini, a stones throw away
from piazza di Spagna, Trinità dei Monti, Fontana di Trevi.
As to arrive:
from the Airport Fiumicino:
Take the shuttle for "Termini Station",
35 minutes.Take the Metro Line A (red line) to “Barberini” stop, 4 minutes      (two stops).
from Ciampino airport:                        Take the shuttle bus service to "Anagnina" Metro station.  From there, take the Metro Line A (red line) all the way to the "Barberini" Metro stop.      from Termini Station:
Take the Metro Line   A (red line) to “Barberini” stop,    4     minutes (two stops)