Vakil Mosque is located in Shiraz, next to Vakil Bazaar and Vakil Bath. Vakil Mosque, built to the order of Karim Khan-e Zand, is one of the beautiful and fortified buildings of Zand Period which is of major importance in terms of artistic and architectural aspects. The plan of this mosque is two-porch with a south and an east shabistan[1]. The south shabistan with an area of about 5,000 m² is the most beautiful section of Vakil Mosque that contains 48 uniform and spiral stone pillars. It is worth noting that this kind of pillar is a feature of Iranian architecture. A fourteen-step uniform pulpit of marble is another beauty of this shabistan and it is said it has been brought to Shiraz from Maragheh to the order of Karim Khan-e Zand. On the north section of the mosque, there is a high arch known as the Pearl Arc and on the margins of this arc one of the surahs of the Qur'an in written in bold with excellent Thuluth script. Tile work of the courtyard and north and south porches are also very elegant made of seven color and moarragh tiles.