In the present investigation the effects that the Acoustic Pollution generates in the tourists who visit the Historic Center of Trujillo have been identified, these are of two types, the psychological and the physiological. In the psychological it was possible to determine the existence of three levels, emotional, cognitive and behavioral; And the physiological the auditory and non-auditory._x000D_ These psychological effects generated by the noise, present in the tourists in great percentage, in the emotional with a dissatisfaction 40%, causing them displeasure; In the cognitive the difficulty of making decisions 37%, making them difficult to decide to continue with the tourist activities in the Historical Center of Trujillo; And in the behavioral loss of interest in performing some activities 50%, that is to say, loses the desire to visit. The physiological effects occur in a large per...