Province of Santa Cruz de Tenerife, also Province of Santa Cruz (Provincia de Santa Cruz de Tenerife), is a province of Spain, consisting of the western part of the autonomous community of the Canary Islands. It consists of about half of the Atlantic archipelago: the islands of Tenerife, La Gomera, El Hierro, and La Palma. It occupies an area of . It also includes a series of adjacent roques (those of Salmor, Fasnia, Bonanza, Garachico and Anaga).
Its capital is the city of Santa Cruz de Tenerife (commonly known as Santa Cruz), on the island of Tenerife (Spain's most populous island). In 2008 the province had 1,018,510 inhabitants and a density of 313.57 /km2, making it the province of Spain with the sixth highest population density, higher than that of the province of Las Palmas (the eastern half of the Canary Islands). 24% live in the capital. Santa Cruz de Tenerife is the capital of the Autonomous Community of the Canary Islands. There are 54 municipalities in the province; see L