Our contact data
![](fileadmin/_processed_/9/d/csm_hddms_en_border_902035c887.png)
HDDMS Main Office
2 Kukush str, Telecom building; 1309 Sofia, Bulgaria
Telephone: +359 2 439 79 11
Fax: +359 2 439 79 12
E-mail: office@hddms.org
2 Kukush str, Telecom building; 1309 Sofia, Bulgaria
Telephone: +359 2 439 79 11
Fax: +359 2 439 79 12
E-mail: office@hddms.org