Fronteira is a municipality in Portugal, in Portalegre district, in the Alentejo. At the 2021 census it had 2,856 inhabitants over an area of 248.6 km².
With about 11 inhabitants per km², it is a sparsely populated area of countryside, small villages and wide open spaces, typical of inland Portugal. Of the 15 municipalities in Portalegre district, it is number 14 by population.
As the crow flies it lies about 30 km south-west of Portalegre, the capital. The nearest major city is Évora, about 60 km away.
Nearby, within a few dozen kilometres, are other destinations featured in our guides: Estremoz (26 km), Portalegre (30 km), Vila Viçosa (38 km), Castelo de Vide (40 km), Marvão (41 km).
To explore the area, use the map of neighbouring municipalities and the accommodation options in and around Fronteira; all the municipalities in Portalegre district are listed on their own page.