“…Indonesia has many inter-regional collaborations, including the 'Kunci Bersama' collaboration Research conducted by Yuwanto describes cooperation by seven regencies that border each other. A new institution, namely the Inter-Regional Cooperation Agency, in its implementation, 'Kunci Bersama, ' prioritizes infrastructure development before developing other fields such as social, economic, cultural, administrative, and health (Yuwanto, 2016). Cooperation 'Kedungsepur' in the field of tourism, in the research, it was described that in the implementation of this collaboration, there is still a need for in-depth studies regarding the right strategy for tourism promotion and marketing in the realm of administratively, there is no shared understanding about inter-regional cooperation in the tourism sector 'Kedungsepur' on the parties involved, namely the Tourism and Culture Office, the commitment of each region is still lacking and the provincial government needs to be involved in the implementation of this cooperation (Muriawan & Lituhayu, 2017).…”