[3] The Palatial mosque in Baku forms part of the UNESCO World Heritage-listed Palace of the Shirvanshahs.

The northern portal, turned towards a burial vault of Shirvanshahs, is more solemn than the eastern one.

[4] The two tier windowed prayer room is covered with a cupola with spherical sails.

The aperture of the mosque's portal is clearly described on a severe background of prismatic volume, ended with two cupolas with slightly sharpening calottes.

[5] The trunk of the minaret is surrounded by an inscription, a ligature of which has a date of AH 845 (1441/1442).