Qajar Bath is one of the oldest and largest bathhouses of Iran which is located in Qazvin. It has built by one of the Safavieh captains and by the order of ‘Shah Abbas’ king. It’s area is about 1045 square meters. Qazvin is one of the major and historical cities of Iran. Qazvin was Iran’s capital during the reign of Safavieh and that’s why that it has many historical sites and museums in itself. Qazvin has the first rank in term of number of historical monuments in Iran.