于斯屈达尔（Üsküdar）是土耳其伊斯坦布尔一个面积广阔，人口密集的市区，位于博斯普鲁斯海峡的安纳托利亚一侧，与艾米诺努区相对。大约五十万人口。

于斯屈达尔区是伊斯坦布尔最古老的住宅郊区，比博斯普鲁斯海峡对岸拥挤的欧洲一侧较为宽松，有许多居民到欧洲一侧上班或上学（于斯屈达尔便宜的房价和中心的位置吸引了大量的学生）。在高峰时间，在海滨，从渡船和摩托艇换乘巴士及专线小巴的人熙熙攘攘。于斯屈达尔也有海的气味，摩托艇和海鸥的声音，以及这个城市的最美的风景之一。

截至2006年，中心广场正在挖博斯普鲁斯海峡海底隧道，开通一条地下铁路。

Üsküdar (Turkish pronunciation: [ysˈcydaɾ]), formerly known as Scutari, is a large and densely populated district and municipality of Istanbul, Turkey, on the Anatolian shore of the Bosphorus. It is bordered on the north by Beykoz, on the east by Ümraniye, on the southeast by Ataşehir, on the south by Kadıköy, and on the west by the Bosphorus, with the areas of Beşiktaş, Beyoğlu, and Eminönü on the opposite shore. It is home to about half a million people. Üsküdar is also the usual name for the historic center of the municipality.