Guia may refer to:
Guia is a civil parish in the Portuguese municipality of Albufeira in the Algarve, 5 kilometres (3.1 mi) from the coast. The population in 2011 was 4,376, in an area of 26.80 km².
Oral tradition suggest that the name came from the erection of the hermitage to Nossa Senhora da Guia, where the Virgin appeared to the people. Ecclesiastical records from the Bishop of the Algarve indicate that owing to the sanctuary, the parish was created in 1617.
This old settlement is located on the flank of a short mount, the Cerro de São Sebastião, with expansion occurring in the second quarter of 20th century. Among the more important localities of the parish of the settlements of Vale Parra, Vale Rabelho, Montes Juntos, Vale Verde, Cortelhas, Vale da Ursa, Tavagueira and Álamos.
The nearest beaches are Laurenco and Gale.
The population of the parish has maintained an agricultural tradition, based on a rural society, producing fig, carob, almond, vineyards, wheat, barley and rye, in addition to many legumes.
Guia is a former civil parish in the municipality of Pombal, Portugal. In 2013, the parish merged into the new parish Guia, Ilha e Mata Mourisca. It has a population of 2,726 (2001) and an area of 37.91 km².
Coordinates: 39°56′49″N 8°47′06″W / 39.947°N 8.785°W