Aiyan Museum and Sultan Ahmed Mosque are both located in Istanbul.
Aiyan Museum (Turkish: "Aiyan Mzesi" ) is the house of famous Turkish poet Tevfik Fikret (1867-1915) at Aiyan neighborhood of Beikta district in Istanbul. 
The Sultan Ahmed Mosque or Sultan Ahmet Mosque (Turkish: "Sultan Ahmet Camii" ) is a historic mosque located in Istanbul, Turkey. 
