Assiut is the largest city in Upper Egypt and lies about 234 miles south of Cairo. The goals of this study are to carry out measurements to evaluate noise levels in center of Assiut city (commercial, administrative and city center areas), are these levels exceeded permissible levels set by Egyptian noise standard and policy to protect public health and welfare?, to carry out experiments for reducing noise levels, to examiner respondent's attitudes towards noise, to know relationship between city center noise levels and degree of annoyance. Results of measurements showed that Ldn varied from 82.7 dB to 96.8 dB. Experiments were carried out for reducing noise levels in cases of absence of road traffic noise, railway noise, and loud speaker noise. Results of experiments showed that noise level was reduced by 14.2 dB in case of absence of road traffic noise. Noise level was reduced by 12.3 dB in absence of railway noise. Noise was reduced by 11.6 dB in case of absence of loud speaker noise. This shows that town planner can use various strategies to achieve quieter city center environments. Annoyance of respondents showed that 43.6 % were highly annoyed. There was a strong relationship between city center noise levels and percentage of highly annoyed respondents