Wikipedia https://hu.wikipedia.org/wiki/Gresham-palota
Official website http://www.fourseasons.com/budapest/
Twitter https://twitter.com/FSBudapest
Facebook https://www.facebook.com/FourSeasonsHotelBudapest
Telefon +36 1 268 6000
Cím Széchenyi István tér 5-6, 1051 Budapest, Hungary
Koordináták 47°29'59.103" N 19°2'53.244" E