Flores is the largest island of the Archipelago’s Western Group and corresponds to the westernmost extremity of Portugal and Europe.
Its morphology resembles an irregular trapezoid with an area of 141.6 km2 and a maximum altitude of 914 metres on Morro Alto.
The island is 17 kilometres long, in a north-south direction, and has a maximum width of 12.5 kilometres, being apart from Corvo for a distance of about 28 kilometres (15 nautical miles). This division between the two islands is known as Flores-Corvo Water Channel.
The latitude and the longitude of Flores are 39°26'26"N and 31°13'9"W. It has 11 parishes distributed by its two counties: Lajes (Fajã Grande, Fajãzinha, Fazenda, Lajedo, Lajes das Flores, Lomba and Mosteiro) and Santa Cruz (Caveira, Cedros, Ponta Delgada and Santa Cruz). The resident population is approximately 3700 inhabitants.
It has a temperate Atlantic climate, with annual average air temperatures between 13 °C in winter and 22 °C in summer, and an average relative air humidity above 79%.