First synagogue built during the Ottoman Empireby the decree and proclamation of Orhan Gazi isthe Synagogue Ets Ahayim (Life Tree). Followingthis, “Mayor Synagogue” has been built for Jewishimmigrants running from the Island Majorka atSpain seeking sanctuary in Ottoman Empire in theXV. century. Another synagogue is “Gerufl Synagogue”on Arapfiükrü Street. It hadhad been built bySultan Selim in theearly XVI. century.Gerufl Synagogue,large and well kept,still has open doorsfor Jews living inhere.