Sahn

A sahn, (Arabic: صحن‎‎, ṣaḥn), is a courtyard in Islamic architecture. Most traditional mosques have a large central sahn, which is surrounded by a riwaq or arcade on all sides. In traditional Islamic design, residences and neighborhoods can have private sahn.

In Islamic and Arab architecture, the sahn courtyard is a common element in religious buildings and residences throughout the Arab world and beyond, used in urban and rural settings. The cloister is its equivalent in European medieval architecture and its religious buildings.

Originally, the sahn was used for dwellings, as a secure and private setting within a residence compound's walls. Ruins of houses in Sumerian Ur with sahns have been found, from the Third Dynasty of Ur (2100–2000 BCE).

In historic Persian garden design sahns were the location for private Paradise gardens. In traditional Persian architecture, the courtyard usually contained a howz or symmetrical pool, where wudu (Islamic ablutions) were performed.

The use of sahn in Islamic architecture continued until the mid-twentieth century, when modernist architecture began to influence Islamic cultures' residential and public buildings' designs.

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