The Great Mosque of Samarra was, for a time, the largest mosque in the world; its minaret, the Malwiya Tower, is a spiralling cone 52 metres (171 ft) high and 33 metres (108 ft) wide with a spiral ramp. Here are some other facts about its design: 1. The reign of al-Mutawakkil had a great effect on the appearance of the city, for he seemed to have been a lover of architecture, and the one responsible for building the great Mosque of Samarra. The mosque was commissioned in 848 and completed in 851 by the Abbasid Caliph Al-Mutawakkil who reigned (In Samarra) from 847 until 861. The Great Mosque of Samarra is the most prominent structure, spiraling up from the ground. Its walls were 2.65 meters thick and included 44 semi-circular towers. However, only the outer wall and its minaret remained. Spiraling up from the ground, the remaining minaret of the Great Mosque of Samarra is the the most prominent of the remaining structures of a mosque that was once the largest in the world. The Great Mosque of Samarra "Or" Great Mosque of Al-Mutawakkil is a 9th century mosque located in Samarra, Iraq. It was built in the 9th century, commissioned by the Abbasid caliph Al-Mutawakkil, who moved to Samarra to escape conflict with the local population in Baghdad and remained there for the next 56 years - a period during which he built many palaces including the largest … In a list of his building projects which appears in several different versions, the new Congregational Mosque and up t… These outer walls enclosed an area called a ziyada, which is an enclosed field common to mosques during this period. The building had a proportion of 3 to 2 which was similar to other mosques. 4. Its outer walls measured 444 by 376 meters which enclosed an area of 17 hectacres. The congregational mosque covered an area of almost 38,000 square meters, and its walls were 239 by 156 meters. The Great Mosque of Samarra was at one time the largest mosque in the world; its minaret, the Malwiya Tower, is a vast spiralling cone 52 meters … 2. The Great Mosque of Samarra, Iraq. … 3. The great mosque had … The Great Mosque of Samarra is located in Samarra city, in Iraq, about 120 km north of Baghdad, on the banks of river Tigris.