Batn Gharran was a location in Saudi Arabia during the Islamic Prophet Muhammad's era. Muhammad ordered the Invasion of Banu Lahyan which took place here. Muhammad set out in Rabi‘ Al-Awwal or Jumada Al-Ula in the year six Hijri (July 627 A.D) with 200 Muslim fighters and made a feint of heading for Syria, then soon changed route towards Batn Gharran, the scene of where 10 Muslims were killed in the Expedition of Al Raji.
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Batn Gharran Wikipedia(Text) CC BY-SA