The ruins of the ancient city of Fthiotides in Thebes extend over the trapezoidal hill Castle located at the northern end of the Krokios field, the current plain of Almyros and near the village of Mikrothives in the Prefecture of Magnesia The theater of Fthiotides in Thebes after the project will be an important monument in its natural position directly connected to the environment fertile and active element of cultural heritage The restoration of the theater will result in the attribution of a distinguished symbol of an organized city of antiquity to the citizens of modern times to participate in the cultural process.