Translation of the verse 78 from Surah Al-hijr : Number of verses 99 - - page 266 - Part 14.
And the dwellers in the wood [i.e. the people of Madyan (Midian) to whom Prophet Shu'aib was sent by Allah), were also Zalimun (polytheists and wrong-doers, etc.).
And the companions of the thicket were [also] wrongdoers.
(15:78) As the people of Al Aikah *43 were unjust,
*43) The people of Al-Aikah were the canmunity of Prophet Shu`aib and were called Midianites after the name of their capital city and their territory. As regards AI-Aikah, it was the ancient name of Tabuk and literally means a "thick forest" .
Source : Al-hijr Verse 78: And the companions of the thicket were [also] wrongdoers.