Fin garden covers an area of over 23 thousand square meters and includes a central courtyard that has been surrounded by walls, and ramparts with four circular towers. Fin Garden is one of the most important examples of Persian Gardens, which is still, beautifully stable. The garden is a well established model that introduces the Iranian cultural perspective. Royal Bathhouse, the National Museum, Karim Khani Nook (Khalvat e Karim Khani), and the royal alcove are buildings that were added after the Safavid era to the garden. There are two bathrooms in the south of the garden which are known as Small bathroom and Large bathroom. The Small bathroom was built the same time as original building of the Fin Garden was built in Safavid period and Fath Ali Shah ordered the Large bathroom to be built in Qajar period.