A Determination Analysis of Regional Maritime Boundary Based on Regulation of Home Ministry Affair Number 76 in 2012 (Case Study: Dispute of Galang Island Border between Surabaya and Gresik)

By the end of 2012, Indonesia consists of 34 provinces, 422 regencies, and 98 cities. According to the decentralization policy as stipulated by the Act No. 32/2004, infrastructure development becomes inevitable point. Sectors that highly increased are coastal and marine development. Abundant natural resources in the coastal area drives investor to seek potential areas to develop. However,most of local goverment still don’t understand the act of administrative maritime boundary. Undeclared administrative maritime boundary could cause conflict and obstruct the implementation of local government functions. If the border conflict is not resolved soon,local government could lose local revenue (PAD) as well as decrease in civil services.Delimitation of administrative maritime boundary is necessary in order to avoid overlapping authorithy of the rightsto manage area. Administrative maritime boundary defined as resources management border in the sea which is represented by series of coordinate point measure from the shorelines. Delimitation of administrative maritime boundary is well described in the Regulation of The Minister of Home Affairs no 76 of 2012, especially in its appendix. This research aimed to determine administrative maritime boundary in the vicinity of Surabaya and Gresik whereasan island formed from sedimentation process, identified as Galang Island. This island has becomethe source of conflict between the two regions who claim the area.