Bolvadin
Bolvadin lies on the plain beside Lake Eber, where the Akarçay flows between the Sultandağ and Emirdağ mountains. The Kırkgöz Bridge carries the old road across the river. Its southern section dates to the Byzantine emperor Manuel I Komnenos; the Ottoman architect Sinan later extended the northern section and added a prayer place and inscription. The bridge tied Bolvadin to routes crossing the Anatolian interior.