Bulgaria 
| Organization | Association “Children with Oncohematologic diseases” |
| Country | BULGARIA |
| Region | Europe |
| Status | FULL |
| Contact Name | Theodora Armenkova, Margarita Borissova, Petia Aleksandrova |
| info@decaohz.org; ohz_deca@abv.bg; | |
| WHO Region | EURO |
| Address | 26 Gen. Danail Nikolaev blvd. |
| Town | 1527 Sofia |
| Telephone | (+359) 895733060; (+359) 894487294 |
| website | www.decaohz.org |