Map showing the location of the Harrat al-Sham (Black Desert) in the Levant. Based on the boundaries of the Harrat Ash Shaam Volcanic Province (HASV, or "North Harrah Volcanics") according to the USGS.
Own work

Data sourcesBase map (land, country borders, lakes and rivers): Natural Earth Data (public domain)
Harrat al-Sham: United States Geological Service (2000), "Geologic Provinces of the Arabian Peninsula and adjacent areas". Retrieved from https://certmapper.cr.usgs.gov/data/apps/world-maps/
Joe Roe