An iwan (Persian: ایوان eyvān, Arabic: إيوان Iwan)[1][2] is a rectangular hall or space, usually vaulted, walled on three sides, with one end entirely open. The formal gateway to the iwan is called pishtaq, a Persian term for a portal projecting from the facade of a building, usually decorated with calligraphy bands, glazed tilework, and geometric designs.[3][4]
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The root for this term is Old Persian 'apadana' (see Apadana palace at Persepolis) where king Darius I declares in an inscription, "I Darius,........ had this 'apadana' constructed.." This is a name given to this particular palace in modern literature, although the name simply implies a type of structure--the iwan, not a particular palace. The term in Old Persian stand for "unprotected" (a-pâd-ana), since the design allows for the structure to be open to the elements on one side, whence the term. At Persepolis, however, the 'apadana' takes the form of a veranda, where instead of a vaulted hall, there is a flat roof held up by columns--but still, open to the elements on only one side. A comparable would be found 2000 years later in Isfahan at the Palace of Chehel Sotoun. By the time of the Parthian and the Sasanian dynasties, iwan had emerged as two types of structure: the old columned one, and a newer vaulted structure--both, however, carrying the same native name of apadana/iwan, because both types are "unprotected" (open on one side to the elements).
Iwans were a trademark of the Parthian Empire (247 BC–AD 224) and later the Sassanid architecture of Persia ( 224 -651.), later finding their way throughout the Arab and Islamic architecture which started developing in 7th century AD, after the period of Muhammad (c. 570 – 632).[5] This development reached its peak during the Seljuki era, when iwans became a fundamental unit in architecture, and later the Mughal architecture.[6][7] The form is not confined to any particular function, and is found in buildings for either secular or religious uses, and in both public and residential architecture.
Strictly the term iwan refers to the room, not to the portico or arch with which it is often fronted. The four-centred arch typically opens on to a central courtyard or Sehan.
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The Iwan of Khosrau is a Sassanid-era Persian monument in Mada'in which is the only visible remaining structure of the ancient city of Ctesiphon. It is near the modern town of Salman Pak, Iraq. Construction began during the reign of Khosrau I after a campaign against the Eastern Romans in 540 AD.[8] The arched iwan hall, open on the facade side, was about 37 meters high 26 meters across and 50 meters long, the largest vault ever constructed at the time.[9]
The Great Iwan (or al-Iwan al-Kabir, Dar al-'Adl, Iwan of al-Nasir) of Cairo was a public and ceremonial space located in the southern section of the Saladin Citadel where the Mamluk sultan sat enthroned to administer justice, receive ambassadors, and carry out other duties of state. The structure used to be known as Dar al-'Adl during the reign of Saladin, the Mamluk ruler of the Bahri dynasty Al-Nasir Muhammad rebuilt the monumental structure twice, in 1315 and 1334. The Great Iwan was demolished by Muhammad Ali Pasha in the early 19th century.
The 19th century Description de l'Egypte depicted a square hypostyle structure with five parallel aisles and a dome. The building was open to the exterior on three sides through arcades, and the main façade was articulated with a large central arch flanked by two smaller arches on either side.[10][11]
The entrance to the iwan of the Wazir Khan Mosque, Lahore, Pakistan.
The iwan of the National Museum of Iran was designed with the architectural precedent of Ctesiphon in mind.
Iwans are also used in residential architecture. The main iwan of the Amerian House, Kashan, Iran.
The Badshahi Masjid with an iwan in the centre, Lahore, Pakistan.
The entrance to the iwan of the Jama Masjid, Delhi, India.
Intricate designs fronting the iwan of the Ulugh Beg Madrassa, Samarkand, Uzbekistan.
Great Mosque of Esfahan, scale model showing the court with the four iwans.
King Saud Mosque, Jeddah, an Iwan in the central court.
Iwan of the Friday Mosque of Herat
Humayun's Tomb with the Entrance to the iwan, Delhi.
Central iwan of Qila-i-Kuhna Mosque of Sher Shah Suri, 1541 CE
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Iwan is a masculine given name and a surname.
It is a Welsh and Cornish name related to Ifan and derived from the Latin Johannes.
It is also found in Germanic and Slavic languages as a variant of Ivan (name), which is a form of the Biblical name John. The Welsh given name related to this is Ioan rather than Iwan.
Iwan is an element in Islamic architecture.
It may also refer to: