In 1606 , those persons living in the old Spanish towns of BayajÃ and Yaguana had , by orders of the Spanish king , to move to the eastern part of the island , to a new town called Bayaguana , combining the two old names . In 1606 , the persons living in the old Spanish towns of BayajÃ and Yaguana under the orders of the Spanish king , moved to the eastern part of the island , to a new town called Bayaguana , combining the two old names .