The castle was the original core of the city. From the Byzantine city, which had 18 monasteries and many churches survive today only the ruins of a Byzantine bath of the 13th century. the courtyard of the elementary school. Opposite the stone building is the Soufari Seraglio, the riding school of Ali pasa.Mesa Castle is also the Jewish Synagogue, the only monument in the once strong Jewish community of Ioannina.Noteworthy is also the old mansions of the city as the home of the Bishop, the mansion Misios the house of Pasha Good on the walls.