The Ashkenazi Synagogue of Istanbul (Turkish: İstanbul Aşkenaz Sinagogu) is an Ashkenazi synagogue located near the Galata Tower in the Karaköy district of Beyoglu in Istanbul, Turkey. It is the only active Ashkenazi synagogue in Istanbul open to visits and prayers. The synagogue was founded by Jews of Austrian origin in 1900. It is also the last synagogue of a total of three built by the Ashkenazi, as the Ashkenazi Jewish population accounts for 4 percent of Turkey's total Jewish population. Visits to the synagogue can be held in the mornings from Monday to Friday and Shabbat services are on Saturday mornings.
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