Yedikule ( “Seven Towers”) is the fortress directly at the intersection of Wall Theodosianischen country with the most Seemauer Marmara, a mixture of Byzantine and Ottoman elements. In the fortress is walled in the Golden Gate, through which the Byzantine emperor after a won battle in triumph back in the disputed city. Ottoman period to the castle served as Prominentenverlies – from foreign envoys to deposed Sultans was here as a time illustrious company assembled. Today, here in the summer concerts. Tuesday-Sunday from 9-17 clock opened, the entrance costs around 2.50 euros.