| operator | name | named after | heritage designation | image | date founded | Height (m) | city | administrative división | continent | Country | latitude (°) | longitude (°) | Website | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Belogradchik Observatory |  | 1961 | 650 | Belogradchik | Vidin | Europe | Bulgaria | 43.6166648865 | 22.6666660309 | Website | Map | |||
| Rozhen Observatory |  | 1,759 | Chepelare | Smolyan | Europe | Bulgaria | 41.6833343506 | 24.7333335876 | Website | Map | ||||
| Shumen University | 1971 | Shumen | Shumen | Europe | Bulgaria | 43.2666664124 | 26.9333324432 | Website | Map |