Bangkok Office:
1 Sukhumvit 39 , Bangkok 10110 Thailand.
Telephone 0-2662-4000
Fax 0-2662-4970.
Khon Kaen :
250-252 Srichan road, Muang, Khon Kaen 40000 Thailand,
Telephone 0-4332-0320
Fax 0-4322-5013.
Email :
reservations@kosahotel.com
