Province of the Azores sub-prefects. The Province of the Azores was abolished on 28 June 1833 by Decree 64, which divided the archipelago into two separate provinces: the Província Oriental dos Açores (Eastern Province of the Azores), that included the islands of São Miguel and Santa Maria, with its capital in Ponta Delgada; and the Província Ocidental dos Açores (Western Province of the Azores), with its capital in Angra and administrating the remaining islands of the archipelago. Prefect: Sub-Prefect of Ponta Delgada: Sub-Prefect of Horta: Province of the Azores The Province of the Azores was an administrative unit of Portugal encompassing the archipelago of
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