مُسْنَدُ أَحْمَدَ
Musnad Ahmad 1541
Musnad Abu Ishaq Sa'd bin Abi Waqqas
It was narrated from Nafi" bin "Utbah bin Abi Waqqas that he heard the Prophet (ﷺ) say: “You will fight in Arabia and Allah will grant you victory over it, then you will fight Persia and Allah will grant you victory over it, then you will fight Byzantium and Allah will grant you victory over it. Then you will fight the Dajjal and Allah will grant you victory over him."
Musnad Ahmad 1541Sahih (Darussalam) [Muslim (2900)]