Thrace (theme)
The Theme of Thrace (Greek: θέμα Θρᾴκης or θέμα Θρᾳκῷον) was a province (thema or theme) of the Byzantine Empire located in the south-eastern Balkans, comprising varying parts of the eponymous geographic region during its history. == History == Traditionally, it has been held that the theme (at the time primarily a military command) was constituted in c.