Boundaries Delineation of Marine Management Sharing According to Local Government Law No. 23/2014 (Case Study: Surabaya, Sidoarjo, Bangkalan and Sampang)

Regional autonomy is the right, the authority, and the obligation of autonomous region to set up and manage their own affairs and interests of the community in accordance with the potential and peculiarities of each area. To implement regional autonomy, the autonomous region must be clear where the location of its borders. Boundary area is divided into two, namely boundaries in the land and boundaries in the sea. Based on the authority of region government that regulated in Law of Republic Indonesia Number 23 in 2014, the regional maritime boundary consist of maritime management boundary for the province and maritime income sharing boundary for the district/city. This study aimed to determine the maritime income sharing boundary between Surabaya City, Sidoarjo, Bangkalan and Sampang District related to the presence of tanah oloran. Tanah oloran is located in the border of Surabaya City and Sidoarjo district which is currently being disputed border and seizure of property by the two districts/cities. The results of research represent that the claim ownership of Tanah Oloran can impact on maritime income sharing boundaries of Surabaya City and Sidoarjo District with region maritime overlapping is 2,258 ha and will benefit for the region maritime income sharing Sidoarjo District Government.