Mosteiro is the smallest civil parish in the municipality of Lajes das Flores on the Portuguese island of Flores, in the archipelago of the Azores. The population in 2021 was 19, in an area of .
History
Its toponymy has been debated by historians, although some theories suggest that it was named for the comparable civil parish on the island of São Miguel. The first colonists, motivated to settle here by a man named João Soares, were settlers from the region of Mosteiros, renaming this zone in its honour.
Religious
- Church of Santíssima Trindade (), an 18th-century, Revivalist temple, comprising a single nave and presbytery, with a well-illuminated interior and ceilings of wood. The principal facade was completed with a triangular frontispiece, marked by a rectangular portico and oculi, while the interior include a high altar, two lateral retables on angles, in addition to a revivalist altarpiece;
- Funeral Monument of António Freitas (), situated in the cemetery of Mosteiro, the funeral monument is composed of an urn elevated above four steps over a plinth, while surmounted by cross. The monument includes decorative elements, such as flowers, and to the north, the urn is decorated with a skull and crossbones.