Qur'an 18:83 · Al-Kahf

وَيَسْـَٔلُونَكَ عَن ذِى ٱلْقَرْنَيْنِ ۖ قُلْ سَأَتْلُوا۟ عَلَيْكُم مِّنْهُ ذِكْرًا

(83) And they ask you, [O Muḥammad], about Dhul-Qarnayn. Say, "I will recite to you about him a report."