(eds.), "Abyan - أبين " in The Beth Qaṭraye Gazetteer last modified January 10, 2020, https://bqgazetteer.bethmardutho.org/place/5006
  
    
      
        
          Abyan
          أبين
          
          Ayban was a settlement in a district of the same name, 
            ʿAdan Abyan. [The ʿAdan Abyan] district ( mik̲h̲lāf ) in Yaman in the Wādī Banā, comprising several castles and the seaport of ʿAdan .
          
            وأبين هى اقدم من عدن واليها تنسب عدن لان برهم وفواكههم وخضرهم منها لكثرة القرى والمزارع بها وكذلك لهج
          
                    
                        13.6291 46.126
                    
          
            ʿAdan Abyan
          
          https://bqgazetteer.bethmardutho.org/place/5006
          http://syriaca.org/place/5006
          
            Aḥsan al-taqāsīm fī maʿrifat al-aqālīm
                        Muḥammad ibn Aḥmad Maqdisī
                        
            85
          
                    
                        Encyclopaedia of Islam, Second Edition
                        P. Bearman
                        
                    
                    
                        http://sws.geonames.org/80425GeoNames Marc Wick