Why call this theater that. Dionysus theater
because The drama of Greek is associated with sacrifice and celebrate the god Zeus Dione (Dionysus), the god of fertility. Goddess Dione Zeus is a symbol that shows the current change of season. This theater Greeks have organized dance groups (Choral Dance) by the singing. Dance groups, singing originally called (Dithyramb), which later evolved into the staging. For this reason, Dione Zeus is often referred to as the god of drama.