Yesterday, Youtuber – In Pursuit of Truth (IPOT) - posted about the exact location. Starting at about 19m in is his part about Q post 1092. Specifically regarding the location (with map) is at 29m.
https:// www.youtube.com/watch?v=jxlEHHDT5p0
The location is in Ghouta, a neighborhood in Damascus. Specifically to a building that is considered a hospitality/reception organization. Sign interprets as “the new Syria”
This neighborhood has a network (spider web) of underground tunnels. They even have a hospital underground.