Sahih al-Bukhari 4472
Sahih al-Bukhari · Book 64: Military Expeditions led by the Prophet (pbuh) (Al-Maghaazi) · How many Ghazawat the Prophet (saws) fought
Narrated Al-Bara:
حَدَّثَنَا عَبْدُ اللَّهِ بْنُ رَجَاءٍ ، حَدَّثَنَا إِسْرَائِيلُ ، عَنْ أَبِي إِسْحَاقَ ، حَدَّثَنَا الْبَرَاءُ ـ رضى الله عنه ـ قَالَ غَزَوْتُ مَعَ النَّبِيِّ صلى الله عليه وسلم خَمْسَ عَشْرَةَ.
I fought fifteen Ghazawat in the company of the Prophet.