North Solomon Islands between Bougainville (an autonomous region of Papua New Guinea) and the sovereign state of Solomon Islands, which is the successor state to the British Solomon Islands Protectorate renamed in 1975 prior to achieving independence in 1976. On 17 February 1568, the archipelago was discovered by Spanish explorer Alvaro de Mendaña y Neyra, who named its "Islas de Salomon". In April 1885 a German protectorate ("Schutzgebiet") was declared over the northern Solomon Islands: Bougainville, Buka, Choiseul, Santa Isabel and Ontong Java. In 1893 the British declared a protectorate over the southern Solomon Islands of New Georgia, Guadalcanal, Malaita and San Cristobal,
Malaita 23 miles (37 km) wide at its widest point. Its length is in a north-northwest-to-south-southeast direction, but local custom and official use generally rotate it to straight north-south orientation, and generally refer to the "east coast" or "northern end," when northeast or northwest would be more accurate. To the southwest is the Indispensable Strait, which separates it from Guadalcanal and the Florida Islands. To the northeast and east is open Pacific Ocean, except for the small Sikaiana, part of the province 212 km northeast. To the northwest of the island is Santa Isabel Island. To the immediate southwest is South