| operator | name | named after | heritage designation | image | date founded | Height (m) | city | administrative división | continent | Country | latitude (°) | longitude (°) | Website | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Modra Observatory |  | 1988 | 531 | Modra | Bratislava Region | Europe | Slovakia | 48.3666648865 | 17.2666664124 | Website | Map | |||
| Skalnaté pleso Observatory |  | 1943 | Vysoké Tatry | Prešov Region | Europe | Slovakia | 49.1833343506 | 20.2333335876 | Website | Map |