The Santa Cruz Islands is an archipelago in the Pacific Ocean, part of Temotu Province of the Solomon Islands. They lie approximately 250 miles to the southeast of the Solomon Islands archipelago. The Santa Cruz Islands lie just north of the archipelago of Vanuatu, and are considered part of the Vanuatu rain forests ecoregion.

Álvaro de Mendaña y Neira was a Spanish navigator, explorer, and cartographer, best known for two of the earliest recorded expeditions across the Pacific Ocean in 1567 and 1595. His voyages led to the discovery of the Marquesas, Cook Islands, and Solomons among other archipelagos. Born in Congosto, in El Bierzo Region (León), he was the nephew of Lope García de Castro, viceroy of Peru.