Deir al-Qamar, is a city south-east of Beirut in south-central Lebanon. It is located five kilometres outside of Beiteddine in the Chouf District of the Mount Lebanon Governorate at 800 m of average altitude.
Wikipedia https://en.wikipedia.org/wiki/Deir_al-Qamar
Coordinates 33°41'52.451" N 35°33'53.454" E