Az-Zumar (Arabic: الزمر‎, "The Troops, The Throngs") is the 39th chapter (surah), of the Qur'an, the central religious text of Islam. It contains 75 verses (ayat).

Sura 39 of the Quran
The Troops
Other namesThe Throngs, The Companies
PositionJuzʼ 23, 24
No. of Rukus8
No. of verses75
Some famous verses of Az-Zumar seen in the tilings of Imam Ali Mosque in Najaf, Iraq, 1994.

Regarding the timing and contextual background of the revelation (asbāb al-nuzūl), it is an earlier "Meccan surah", which means it is believed to have been revealed in Mecca, instead of later in Medina.

This Surah is 75 ayats long.