The article discusses how cooperation across borders in Europe can boost economic growth and create new opportunities for both sides. It focuses on Turkey's role in the EU integration process and how it affects the development of its border regions. The researchers explore how goods, people, and policies shape the economic and spatial organization of these regions. They also highlight the disparities between eastern and western Turkey. The study emphasizes the importance of cross-border cooperation in linking Balkan regions with western Turkey to integrate into the EU.