Military Expeditions led by the Prophet (pbuh) (Al-Maghaazi)
Bukhari :: Book 5 :: Volume 59 :: Hadith 581
Narrated Abu Huraira:
When Allah's Apostle intended to carry on the Ghazwa of Hunain, he said, "Tomorrow, if Allah wished, our encamping) plaice will be Khaif Bani Kinana where (the infidels) took an oath to be loyal to Heathenism."