İshak Pasha (? - 1497, Thessaloniki) was a Croatian or Greek who became an Ottoman general, statesman and later Grand Vizier.[1] His first term as a grand vizier was during the reign of Mehmet II (the conqueror). During this term he transferred Turkmen people from ther Anatolian city of Aksaray to newly conquered İstanbul to populate the city which had lost a portion of its former population prior to conquest. The quarter of the city is where the Aksaray migrants had settled is now called Aksaray.[2] His second term was during the reign of Beyazıt II.