Damascus, Syria
Coordinates: 33.511900, 36.306700
When Imam Zain ul Abideen رضي الله عنه was a captive in Ummayad mosque, he رضي الله عنه used to pray and worship in a place in the north east of the mosque.
In Some Traditions it is said that Imam Zain ul Abideen رضي الله عنه used to pray a thousand rak’as every day and night.
The sermon of Imam Zain ul Abideen رضي الله عنه in this mosque in front of Yazid and his courtiers is well-known.