The Quadrangular tower or Keep of the Fortress of Baku, is a 16 m historic tower located on Kichik Gala street, in the city of Baku, in  Katex, Azerbaijan.
The Quadrangular tower or Keep of the Fortress of Baku, is a 16 m historic tower located on Kichik Gala street, in the city of Baku, in  Katex, Azerbaijan.