Headquarter Office:

Ethio-China Friendship Avenue
Kirkos sub-city
Dire-Dawa Building, 8th floor
P.O.Box 787, Code : 1110
Addis Ababa, Ethiopia

Phone:+251- 11 - 416 - 3610/11/14
Fax: +251-11- 416 – 3619

E-mail: admin@geosas.net   
           geosas_info@geosas.net 

Branch Offices:

TDA Building, Mekele, Ethiopia
ADA Building, Bahir Dar, Ethiopia