Along with the Baya , a closely related group , the Mandjia are important historically for their resistance to invasion by various Muslim powers to the north .
The Mandjia , the third most populous ethnic group in the Central African Republic , are concentrated in Bossangoa .
Along with the Baya , a closely related group , the group are important historically for their resistance to invasion by various Muslim powers to the north .
The Mandjia , the third most populous ethnic group in the Central African Republic , are concentrated in Bossangoa .