A beautifully adorned door provides access to the Great Hall also known as Throne Room. The upper walls of the Great Hall are dominated by historical frescoes on a grand scale and also by other paintings. After the Afghan invasion of Persian, these paintings were covered with the thick whitewash.
One painting inside the main hall depicts the Battle of Karanl between Nader Shah Afshar and Mohammad Shah of India in 1756.
Another painting shows a reception was arranged by Shah Abbas II for Nadr Mohammad Khan ( a ruler in the Central Asia) in 1658.
The Battle of Chaldiran is depicted in one of the paintings. This battle was fought on 23 August 1514 between the Ottoman Empire the Safavid Empire of Iran.
Mughal emperor Humayun was welcomed in Iran by Shah Tahmasb in 1550, as depicted in one painting.
Another painting shows the battle between Safavid king Shah Esmaeel and the Uzbak Sheibak Khan in 1511.