Most popular astronomical observatories Bulgaria Most popular astronomical observatories Bulgaria Astronomical observatories Bulgaria mapSee on the map Astronomical observatories Bulgaria by region Haskovo Province Smolyan Province Varna Province Astronomical observatories Bulgaria by popularity rating +PROGLEDBulgariaRozhen National Astronomical Observatory+SOFIABulgariaAstronomical Observatory of Sofia University+VARNABulgariaNicolaus Copernicus Observatory and Planetarium+DIMITROVGRADBulgariaGiordano Bruno ObservatoryOther categories:MuseumsChurchesBeachesMonasteriesMonumentsWaterfallsFortressesLookoutsCavesAnimalsParksArt galleriesNatural history museumsBathsLakesBridgesCathedralsWater parksFountainsPoolsGardensMilitary museumsGorgesPublic squaresAquariumsPalacesBotanical Gardens