From Suvarnabhumi airport, please take Airport Link to the downtown (end of the line calls "Phaya Thai") and then catch BTS skytrain to Siam station. Please change the line to next 2 stops in south direction calls "Sala Daeng". Take a walk from exit 2 by follow the traffic for about 5 min. until you see Citibank. Please cross street to the other side where you see Standard Chartered Bank and 7-11. We are in Silom Soi 6.