Cognomen Hadaj (Hadaj 
) , in all the world, is a rare family name. The surname Hadaj is habitual in Albania, where it is quite a rare surname, Greece, and Morocco, where it is a rare surname. Much less frequently, Hadaj is the forename as well as the last name.
Med, Artur, Artan, Arben, Agron, Aicha, Ahmad, Bilal, Karim, Karyn, Kevin, Piotr, Dilal, Genti, Genci, Gesti, Gezim, Lindi, Tarik, Terry, Nabil, Elton, Stefi, Ervis, Sadia, Olsi, Ali, Ben, Tom, Ewa, Ina, Mela, Said, Simo, Andi, Anna, Abdo, Amal, Adam, Besa, Luke, Luan, Endi, Enid, Egli, Hiba, Ilir, Salah, and Hamza