since 1900. At least 800 people were reported dead, with the possibility of more than 2,000 casualties. Hundreds of buildings were toppled and many thousands of people were made homeless. In 2007, almost two years after the earthquake, there were still tens of thousands of internally displaced persons living in camps throughout Nias. Nias's coastline has changed markedly with the tsunami and earthquake. In some areas, the coast moved over inland. In other areas, as much as a further of land is exposed. Uplift of land as much as has been recorded. Following the earthquake, many international aid agencies moved in to assist in rehabilitation and reconstruction efforts. Oxfam, International Aid, Giving Children Hope, Save the Children Fund, World Vision, Surf Aid, Safe Harbor International and Caritas International are some of the international NGOs represented in Nias. UN agencies represented include UNORC – Office of the UN Recovery Coordinator for Aceh and Nias, UNDP, UNICEF, UN-Habitat, WFP, IOM and UNIDO. Administration Nias is the largest of the islands off Sumatra that are part of North Sumatra province. This archipelago consists of 131 islands, of which Nias Island is the biggest. The population in this area was 756,762 inhabitants at the 2010 Census, including Ono Niha (the indigenous inhabitants of the island), Malay, Batak, and Chinese; by the 2020 Census the population had risen to 880,550. Until 2003 Nias was a single administrative regency (kabupaten) covering the entire island, part of the province of North Sumatra. In 2003 it was split into two regencies, Nias and Nias Selatan (South Nias). Subsequently, the island was divided further, with the creation of two further regencies from parts of the former Nias Regency – Nias Barat (West Nias) and Nias Utara (North Nias) – and the designation of Gunungsitoli as an autonomous city independent of the four regencies. Gunungsitoli remains the center of the business affairs of the entire island. Teluk Dalam is the capital of Nias Selatan Regency, Lötu of Nias Utara Regency, Lahömi of Nias Barat Regency, and Gidö of Nias Regency. All parties in the North Sumatra Legislative Council have agreed to the formation of a Nias Island province (comprising Nias, Nias Selatan, Nias Utara and Nias Barat regencies, and Gunungsitoli municipality). It has been approved at a regional plenary session on 2 May 2011, but still awaits approval from Central government, which has not yet enacted the grand design for