Military Expeditions led by the Prophet (pbuh) (Al-Maghaazi)

Bukhari :: Book 5 :: Volume 59 :: Hadith 580

Narrated Abu Huraira:

Allah's Apostle said, "If Allah makes us victorious, our encamping place will be Al-Khaif, the place where the infidels took an oath to be loyal to Heathenism (by boycotting Banu Hashim, the Prophet's folk)."