The competition was the national student debate competition organized by the Geography Study Club (GSC), Faculty of Geography of UGM which in 2017 had entered its 10th year. GEOS was the arena for Indonesian youth to show their concerns for the sustainable development that based the regional development through the cross-sector or multidisciplinary. GEOS 2017 raised the theme of “Science Integration on the Paradigm of Sustainable Multisector Development”. The event was held on 3-5 November 2017.