Access to the Supreme Court of the Republic of Croatia as the highest court in the country is provided through a revision. This institute of civil procedure is regulated by the Law on Civil Procedure, which has been exposed to numerous changes over the years, through which the institute of revision has developed. The first part of the paper presents the role of the Supreme Court and the way in which the revision assists the Supreme Court in fulfilling its constitutional role of ensuring the uniform application of the rights and equality of all in its application. In addition to the structure of the Supreme Court, the paper also presents the historical development of the revision institute through the Amendments to the Civil Procedure Act to today's regulation based on the last Amendment to the Civil Procedure Act, which entered into force in 2019. The paper also includes an analysis of the public function of the revision and important legal issues on the basis of which the Supreme Court decides on the admissibility of a revision proposal. In addition to the regulation of the revision system in the Republic of Croatia, the paper containes the comparison of the croatian revision system to the system in the Republic of Slovenia to show the similarities and differences of the two legal systems that are both parts of the broader legal system of the European Union. Since access to the Supreme Court is based on the right of access to a court as an implied right under Art. 6 para. 1 of the Convention for the Protection of Human Rights and Fundamental Freedoms of the Council of Europe, the paper also deals with the right of access to a court before the European Court of Human Rights. The final part of the paper analyzes the judgments from the case law of the European Court of Human Rights in order to present in more detail the right of access to court.