Küçüksu Palace is a striking neo-Baroque manor that stands on the banks where the Göksu River meets the Bosphorus. This elegant palace dates back to the 19th century and once served as a countryside retreat and hunting lodge for members of the Ottoman dynasty. Its picturesque setting and ornate architecture reflect the grandeur of its era.
The surrounding area gained fame among early European travelers, who referred to it as "the Sweet Waters of Asia." This name set it apart from a similar retreat area on the opposite side of the city, called "the Sweet Waters of Europe," where the Kağıthane and Alibeyköy Rivers flow into the Golden Horn. Both regions were popular recreational spots for the city’s elite, offering lush scenery and a peaceful escape from urban life.
Source - https://en.wikipedia.org/wiki/K%C3%BC%C3%A7%C3%BCksu_Pavilion