OMIROS

Hotels
ATTICA - ATHENS , ATHENS , Syntagma
Απόλλωνος
Apollonos St
210-3235486/7
[email protected]
3228059
www.omiroshotel.gr

ONE TO ONE

Travel
ATTICA - ATHENS , ATHENS , Syntagma
Ναυάρχου Νικόδημου
Navarhou Nikodimou St
210-7254383, 7254385/6
[email protected]
7254384
https://www.onetoone-congress.gr/

ONIRO

Hotels
ATTICA - ATHENS , ATHENS , Exarhia
Σ. Τρικούπη
S. Trikoupi St
210-8832731/2
[email protected]
8832733

ORBITA TRAVEL

Travel
ATTICA - ATHENS , ATHENS , Neos Kosmos
Λεοντίου
Leontiou St
210-9230931
[email protected]
https://www.orbita.gr/

ORLOFF

Hotels
ATTICA - ATHENS , ARGO-SARONIC GULF ISLANDS , HYDRA , Hydra
Ραφαλιά
Rafalia St
22980-52564
[email protected]
53532
www.orloff.gr

OSCAR II

Hotels
ATTICA - ATHENS , ATHENS , Larissis Station
Χωματιανού
Homatianou St
210-8834215/9
[email protected]
8216368
www.oscar.gr

OSCAR INN

Hotels
ATTICA - ATHENS , ATHENS , Larissis Station
Σάμου
Samou St
210-8813211/2
[email protected]
8820818
www.oscar.gr

OSTRIA APARTMENTS

Rooms to let
ATTICA - ATHENS , ARGO-SARONIC GULF ISLANDS , AEGINA , Marathonas
22970 27677
[email protected], [email protected]
22970 27679
www.aeginaostria.gr