Thomas A. Carlson (ed.), "al-Dāmaghān" in last modified August 9, 2017, http://syriaca.org/place/2995
   
      
         
            
               al-Dāmaghān
               الدامغان
               A large town between al-Ray and Naysābūr
               
               
                  36.166666 54.349998
               
               
                  Attestation of name الدامغان in the 
                        Kitāb al-buldān of Aḥmad ibn Abī Yaʿqūb al-Yaʿqūbī.
                  
               
          
                  
                  
               
               http://syriaca.org/place/2995
               https://pleiades.stoa.org/places/942260
               https://en.wikipedia.org/wiki/Damghan
               https://dbpedia.org/resource/Damghan
               
                  https://pleiades.stoa.org/places/942260
                  
               
               
                  Kitāb al-buldān
                  Aḥmad ibn Abī Yaʿqūb al-Yaʿqūbī
                  
                  276