Ishak Pasha Palace (Turkish: İshak Paşa Sarayı) is a semi-ruined palace and administrative complex located in the Doğubeyazıt district of Ağrı province of eastern Turkey. The Ishak Pasha palace is an Ottoman-period palace whose construction was started in 1685 by Colak Abdi Pasha, the bey of Beyazit province, continued by his son İshak Pasha and completed by his grandson Mehmet Pasha. According to the inscription on its door, the Harem Section of the palace was completed by his grandson Ishak (Isaac) Pasha in 1784. The Ishak Pasha Palace is a rare example of the historical Turkish palaces.
For more details : http://en.wikipedia.org/wiki/Ishak_Pasha_Palace