Final answer:
The majority of the fighting during the crusades took place in the Middle East.
Step-by-step explanation:
The majority of the fighting during the crusades took place in the Middle East. The crusades were a series of military campaigns launched by European Christians to regain control of the Holy Land from Muslim rulers.
The crusaders established four Crusader States in the region: the County of Edessa, the Principality of Antioch, the County of Tripoli, and the Kingdom of Jerusalem. These territories were also known as Outremer and claimed Jerusalem as their capital.