(or ; Azerbaijani: ) is the biggest monument of the Shirvan-Absheron branch of the Azerbaijan architecture, situated in the Inner City of Baku. The complex contains the main building of the palace, Divanhane, the burial-vaults, the shah's mosque with a minaret, Seyid Yahya Bakuvi's mausoleum, a portal in the east - Murad's gate, a reservoir and the remnants of the bath-house 

see more information : http://en.wikipedia.org/wiki/Palace_of_the_Shirvanshahs

 Two months for to make a project at one of the most beautiful historical palace under protection of  Unesco.