Project's main objectives is to increase knowledge and strengthen professional capacities of regional key players in two cross border regions (Košice Region in Slovakia and Zakarpatska region of Ukraine) for development of cross-border cooperation, with emphasis on cross-border clusters and cluster initiatives as a tool for sustainable development. Main activities: 1. Socio-economic analysis in the target cross-border regions. 2. Benchmarking and best practice transfer. 3. Mentoring and mutual learning. 4. Dissemination and awareness raising activities.5. Project Management. Achievements: 1. Analyses in the area of cross border cooperation, cluster and cluster initiatives. 2. Bilingual publications in the area of cross border cooperation, cluster and cluster initiatives. 3. - E-learning course on clusters and cluster initiatives. 4. Altogether 40 representatives of key players from two target regions retrained in the area of cross border cooperation and cluster initiatives. 5. Realisation of two cross border workshops - each workshop for 30 participants. 6. Published Proceedings of two cross border workshops. 7. Preparation and maintenance of the Web portal focused on cross-border cooperation, clusters and cluster initiatives. 8. Model of mutual learning, published on web portal in bilingual version. 9. Awarness raising activites.