Grand Hotel Ambasciatori GDS
Amadeus (1A) = YX RROAMB
Sabre (AA) = YX 58888
Galileo/Apollo (UA) = YX 31342
Worldspan (TW) = YX RROAM
DHISCO (WB) = YX 40926
Grand Hotel Royal GDS
AMADEUS: FG RROROY
SABRE: FG 48526
GALILEO: FG 30654
WORLDSPAN: FG RRORO
PEGASUS: FG 45469
Grand Hotel De La Ville GDS
Amadeus: FG RRODEL
Sabre: FG 49254
Galileo: FG 33278
Worldspan: FG RRODE
Pegasus: FG 45468
Grand Hotel Capodimonte GDS
Amadeus (1A) = YX RROGRC
Sabre (AA) = YX 49144
Galileo/Apollo (UA) = YX 32201
Worldspan (TW) = YX RROGC
DHISCO (WB) = YX 40927