Thomas A. Carlson (ed.), "ʿAdan" in last modified August 9, 2017, http://syriaca.org/place/2944
   
      
         
            
               ʿAdan
               عدن
               A city in southern Yemen
               
               
                  12.771651 45.038928
               
               
                  Attestation of name عدن in the 
                        Kitāb al-aʿlāq al-nafīsa of Aḥmad ibn ʿUmar Ibn Rustah.
                  
               
          
                  
                  
               
               http://syriaca.org/place/2944
               https://pleiades.stoa.org/places/39269
               https://en.wikipedia.org/wiki/Aden
               https://dbpedia.org/resource/Aden
               
                  https://pleiades.stoa.org/places/39269
                  
               
               
                  Kitāb al-aʿlāq al-nafīsa
                  Aḥmad ibn ʿUmar Ibn Rustah
                  
                  87