Grand Hotel Ambasciatori
Amadeus (1A) = YX RROAMB
Sabre (AA) = YX 58888
Galileo/Apollo (UA) = YX 31342
Worldspan (TW) = YX RROAM
DHISCO (WB) = YX 40926
Grand Hotel Royal
Amadeus: FG RROROY
Sabre: FG 48526
Galileo: FG 30654
Worldspan: FG RRORO
Pegasus: FG 45469
Grand Hotel De La Ville
Amadeus: FG RRODEL
Sabre: FG 49254
Galileo: FG 33278
Worldspan: FG RRODE
Pegasus: FG NAPVI
Grand Hotel Capodimonte
Amadeus (1A) = YX RROGRC
Sabre (AA) = YX 49144
Galileo/Apollo (UA) = YX 32201
Worldspan (TW) = YX RROGC
DHISCO (WB) = YX 40927