Grand Hotel Ambasciatori GDS
Amadeus: ON RROAMB
Sabre: ON 58888
Galileo: ON 31342
Worlspan: ON RROAM
Pegasus: ON 45466
Grand Hotel Royal GDS
AMADEUS: ON RROROY
SABRE: ON 48526
GALILEO: ON 30654
WORLDSPAN: ON RRORO
PEGASUS: ON 45469
Grand Hotel De La Ville GDS
Amadeus: ON RRODEL
Sabre: ON 49254
Galileo: ON 33278
Worldspan: ON RRODE
Pegasus: ON 45468
Grand Hotel Capodimonte GDS
Amadeus: ON RROGRC
Sabre: ON 49144
Galileo: ON 32201
Worldspan: ON RROGC
Pegasus: ON 45467