Koubbeh Palace or Qubbah Palace is one of the various Egyptian palaces which serve as the country's official guest house for visiting dignitaries.
The palace was most likely originally built in the mid-19th century and sold to Khedive Ismail in 1866 by his brother Mustafa Fazl Pasha.
Wikipedia https://en.wikipedia.org/wiki/Koubbeh_Palace
Address (Unnamed Road), Cairo, Egypt
Coordinates 30°5'55.641" N 31°18'9.501" E