Abstract. Experience the Mayor of the Province of Bari. Armando Costa describes experiences of the Mayor of Bitetto – a town near to Bari in southern Italy. Mayor as the public officer oversights everything concerning public security, informs the prefect, performing its own tasks and executing tasks commissioned under the law on security and judicial police. It can also use emergency measures to prevent or eliminate threats to public safety. In order to accomplish this task, he may ask the prefect for necessary assistance of police. The mayor shall also exercise the functions provided by specific laws - in the case of danger to health or to protect public health, he can and must take appropriate precautionary measures.