Radio Maria (Spanish: Radio María; Portuguese: Rádio Maria; Croatian: Radio Marija; Maltese: Radju Marija; Lithuanian: Marijos Radijas; Hungarian: Mária Rádió; Russian: Радио Мария; Ukrainian: Радіо Марія; Dutch: Radio Maria; known in Germany as Radio Horeb), formally known as The World Family of Radio Maria, is an international Catholic radio broadcasting service founded in Erba, province of Como, in the diocese of Milan, Italy, in 1987.