Country/territory: Iceland
Central coordinates (latitude / longitude): 63°46'00"N (63.7667°) / 020°34'00"W (-20.5667°)
Area (reported): 5,600 hectares / 56.00 km² / 13,838 acres / 21.62 square miles
Area (GIS-derived): 27,469 hectares / 274.69 km² / 67,877 acres / 106.06 square miles
Altitude: 5–43 m (16–141 ft)