Descriptive Attribute	Value(s)
State	Bahrain
Mosque name	Al-Khamis Mosque
Primary reference	Insoll, Timothy, Almahari, Salman, MacLean, Rachel, Priestman, Seth, Al-Mearaj, Muhammad, and Nick J. Overton, 2016. “Bilad al-Qadim Revisited: Recent Archaeological Research at the Al-Khamis Mosque, Ain Abu Zaydan, and Abu Anbra, Bahrain”, Arabian Archaeology and Epigraphy 27(2): 215-242. https://onlinelibrary.wiley.com/doi/10.1111/aae.12078
Additional reference I	Kervan, Monik, 1990. “La mosque al-Khamis à Bahrain: Son histoire et ses inscriptions. I. Le monument”, Archéologie Islamique 1: 7-51.
Additional reference II	Kalus, Ludvik, 1990. “La mosque al-Khamis à Bahrain: Son histoire et ses inscriptions. II. Les inscriptions”, Archéologie Islamique 1: 53-73.
Additional reference III	Whitehouse, David, 2003. “The al-Khamis Mosque on Bahrain: A Note on the First and Second Phases”, Arabian Archaeology and Epigraphy 14(1): 95-102. https://onlinelibrary.wiley.com/doi/10.1034/j.1600-0471.2003.00010.x
Latitude	26.2085737157
Longitude	50.5482665654
Location: exact/approximate	exact
Date of the mosque according to former research	t.p.q. 750
Date basis: historical texts, mosque parallels, inscriptions, datable objects, C14, stratigraphy, construction techniques	stratigraphy, pottery, C14, and inscriptions
Early datable evidence	pottery from the site, the 8th-10th century
Additional datable evidence I	a gravestone inscription, 407/1017
Additional datable evidence II	C14 for a beam from the mosque, 1220-1280
Concluded date for the mosque	t.p.q. 750
Basis for mosque identification (in addition to orientation)	a mihrab
A general layout: a single hall, two-three halls, complex, a qibla wall alone	in the early phase, a qibla wall alone
A mihrab is present	yes
The internal form of the mihrab: square/semicircular/horseshoe	semicircular
The mihrab projects/is situated inside the wall	inside the wall