Thomas A. Carlson (ed.), "al-Baḥrayn" in last modified August 9, 2017, http://syriaca.org/place/2941
   
      
         
            
               al-Baḥrayn
               البحرين
               A cluster of many towns and villages in the eastern part of Arabian Peninsula
               
               
                  Attestation of name البحرين in the 
                        Kitāb al-masālik wa-l-mamālik of Abuʾl-Qāsim Ibn Khurradādhbih.
                  
               
               
                  Attestation of name البحرين in the 
                        Kitāb al-buldān of Aḥmad ibn Abī Yaʿqūb al-Yaʿqūbī.
                  
               
               
                  Attestation of name البحرين in the 
                        Kitāb al-aʿlāq al-nafīsa of Aḥmad ibn ʿUmar Ibn Rustah.
                  
               
                    
                  
                  
               
               http://syriaca.org/place/2941
               https://en.wikipedia.org/wiki/Eastern_Arabia
               https://dbpedia.org/resource/Eastern_Arabia
               
                  Kitāb al-masālik wa-l-mamālik
                  
              Abuʾl-Qāsim Ibn Khurradādhbih
            
                  
                  152, 249
               
               
                  Kitāb al-buldān
                  
              Aḥmad ibn Abī Yaʿqūb al-Yaʿqūbī
            
                  
                  237
               
               
                  Kitāb al-aʿlāq al-nafīsa
                  
              Aḥmad ibn ʿUmar Ibn Rustah
            
                  
                  87