Captaincies of the Azores very clear, as it has been both referred to as the "comendador da ilha de Santa Maria e nosso capitão nos Açores" ("Commander of the island of Santa Maria and Our captain of the Azores"), or alternately as the "comendador das ilhas dos Açores" ("Commander of the Azores"). The more probable interpretation of this role, being from the Order of Christ responsible for the administration of the islands, came from the "comenda" regime, referring to a "knighthood" or "commandery", normally associated with the Order in Portugal, but applied to the, then, populous island of Santa Maria in the archipelago. Still,
Azores , from the area west of Graciosa until the islets of the Formigas, that includes the islands of Graciosa, Terceira and São Miguel. Its northwest limit connects to the Mid-Atlantic Ridge, while the southeast section intersects the Gloria Fault southeast of the island of Santa Maria. The Azores Fracture Zone extends from the Glória Fault and encompasses a relatively inactive area to the south of the islands of the Central and Eastern groups north to the Terceira Rift, along a 45° angle. The Glória Fault, for its part, extends along a linear line from the Azores to the Azores–Gibraltar Transform