sentences:  It is known for its "miracle church" of Saint Theodora.Vastas is 2 km west of Isaris, 6 km northeast of Kato Melpeia (Messenia), 6 km northwest of Chranoi and 14 km west of Megalopoli.Vastas is best known for its "miracle church" of Saint Theodora of Vasta, who was an 11th-century Byzantine citizen.