The article clarifies that improving the effectiveness of cross-border cooperation in the context of Ukraine's European integration requires a comprehensive approach that encompasses institutional, legal, organizational, managerial, financial, digital, and social dimensions. It is established that the key factor in the development of transborder relations is the formation of effective multi-level governance with the participation of state authorities, local self-government bodies, civil society institutions, and business. Emphasis was placed on the need to harmonize national legislation with European standards, in particular through the implementation of the provisions of the Framework Convention on Transfrontier Cooperation and the regulation of the legal status of Euroregional associations. The need to modernize the financial and organizational mechanism of transborder cooperation by creating offices to support cross-border initiatives, introducing public-private partnership models, and optimizing project preparation and support procedures was justified. It is proposed to use digital management tools, including electronic platforms, integrated dashboards, and monitoring systems, which will contribute to increasing transparency, accountability, and the effectiveness of transborder project implementation. The importance of developing shared infrastructure, innovative ecosystems in border regions, forming smart specialization clusters, and strengthening human resources and scientific and educational potential has been demonstrated. The role of civil society in legitimizing transborder dialogue, monitoring, and implementing socially oriented initiatives has been emphasized. Thus, the implementation of the proposed directions will allow the formation of an integrated model for the development of Ukraine's border areas based on the principles of sustainability, inclusiveness, innovation, and territorial cohesion, which is in line with the strategic guidelines of European regional policy. 

transborder market, European integration, transborder cooperation, mechanisms, financing, competitiveness, efficiency, institutional development, implementation, European experience 

European integration, cross-border cooperation, economic systems, implementation, European experience, international security