evidence: - Al-Dumayr, site of a qasr possibly dating to the Byzantine period, maybe built by the Ghassanids but possibly Umayyad - Qasr al-Hayr al-Gharbi in the Syrian Desert - Qasr al-Hayr ash-Sharqi, in the Syrian Desert of a "different and higher status",[37] described as a madinah or semi-urban settlement.[39] [...] Qasr al-Hayr ash-Sharqi, Syria - Qasr al-Hayr al-Gharbi, Syria (1950)