(4) باب لاَبَتَىِ الْمَدِينَةِ
Narrated Abu Huraira:
If I saw deers grazing in Medina, I would not chase them, for Allah's Messenger (ﷺ) said, "(Medina) is a sanctuary between its two mountains."
Reference: Sahih al-Bukhari 1873
In-book reference: Book 29, Hadith 7
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 3, Book 30, Hadith 97