Sūrah No. 33, Revealed in Madīnah. 73 verses.
The Sūrah gets its name from the battle of Ahzāb (also known as battle of Khandaq) which is discussed in a major part of the verses of this Sūrah. The battle was an important turning point in the history of Islam. The Sūrah is significant in highlighting the status of the Prophet a in Islam and the address to his wives.