The right to access information held by public authorities is one of the inalienable rights of citizens and legal entities, a fundamental democratic principle and the right of all citizens in modern democracies, which enables the development of transparent and open public authorities, strengthens public sector responsibility, encourages user-oriented public administration , combats corruption and increases the legitimacy of institutions and citizens' trust in government. The implementation of the Right to Access Information Act is monitored by an independent body, the Information Commissioner, which submits annual reports to the Croatian Parliament. The Commissioner for Information protects, monitors and promotes the right guaranteed by the Constitution of the Republic of Croatia to access information and re-use information. Information officers in public authorities are key links in exercising the guaranteed right of citizens to access information, ensuring the implementation of the Law on the Right to Access Information, directly enabling citizens quick, simple and easy access to all information for which there is an obligation to publish or provide upon request. re-use of information, conducting public consultations, as well as public sessions of public authorities. An overview and elaboration of basic elements related to the right to access information in the Republic of Croatia (legal basis, principles, manner of realization, supervision, etc.) is presented, as well as an overview of the situation related to the implementation of the Right to Access Information and Exercise Right to Information in general, with reference to the City of Zagreb related to the implementation and application of this right and comparison with other local self-government units.