context: Geographically, Enggano Island is in the Indonesian Ocean region whose astronomical position is located at 05 ° 31'13 South Latitude and 102 ° 16'00 East. Administratively, Enggano Island is included in the area of ​​North Bengkulu Regency, Bengkulu Province. Enggano is a sub-district in North Bengkulu Regency with the administrative center located in Apoho Village. The total area of ​​Enggano Island reaches 400.6km² which consists of six villages namely the Village of Banjarsari, Meok, Apoho, Malakoni, Kaana, and Kahyapu. The Enggano area has several small islands, namely Pulau Dua, Merbau, Bangkai which is located west of Enggano Island, and Pulau Satu which is south of Enggano Island. The distance from Enggano Island to the provincial capital of Bengkulu is about 156km or 90 nautical miles, while the closest distance is to the city of Manna, South Bengkulu, about 96km or 60 nautical miles. Enggano Island is composed of weak undulating hills, karst hills, land and swamps. Corrugated hills are found in the southeast, altitude between 170-220 meters, while karst hills with heights between 100-150 meters are in the northwest, showing a unique morphology and dominated by limestone. In the north, especially the coastal area is a swampy alluvial lowlands with a height of 0-2 meters.
question: what is the size of Enggano Island?
answers.text: 400.6km²