The word Isra' refers to the Night Journey of the Islamic prophet Muhammad and about the Children of Israel.

The exact location is specified in the Quran in Arabic words أَسۡرَىٰ بِعَبۡدِهِۦ لَيۡلٗا مِّنَ ٱلۡمَسۡجِدِ ٱلۡحَرَامِ إِلَى ٱلۡمَسۡجِدِ ٱلۡأَقۡصَا [4] but this is commonly taken to Noble Sanctuary (Temple Mount) in Jerusalem.

However, the primary theme of the surah is salah (daily prayers), whose number is said to have been fixed at five during the Miraj which it alludes to.

Verse 17:8 refers to hell and states that those who reject the faith will be punished: It may be that your Lord may (yet) show Mercy unto you; but if ye revert (to your sins), We shall revert (to Our punishments): And we have made Hell a prison for those who reject (all Faith).However, it also states that Allah is merciful and could forgive.

(It will be said to him:) "Read thine (own) record: Sufficient is thy soul this day to make out an account against thee."