| Type: | parish |
| Areias | |
| Region: | Norte |
| Metro: | Porto |
| District: | Porto |
| Municipality: | Santo Tirso |
| Coordinates: | 41.3631°N -8.4767°W |
| Established Date: | Civil parish: c. 1836 |
| Area Total Km2: | 2.77 |
| Population As Of: | 2001 |
| Population Total: | 2599 |
| Postal Code: | 4780-000 |
| Area Code: | 252 |
| Patron: | São Tiago |
| Dissolved: | 2013 |
Areias (Portuguese plural form of sand) is a former civil parish in the municipality of Santo Tirso, Portugal. In 2013, the parish merged into the new parish Areias, Sequeiró, Lama e Palmeira.[1] Located from the urban centre of Santo Tirso, its population numbers approximately 2,599 inhabitants (2001 census), in an area of 2.77km2; its density is .
The iconic locality of Senhora da Torre, alongside the Ave, is the home to ancient ruins of castro from the Luso-Roman period of the region's history. It is also the location of a small chapel and lookout, the Miradouro da Senhora da Torre.
Until 1836 the parish was part of the municipality of Landim, until it was de-annexed and absorbed into Santo Tirso.
Areias is situated on the right margin of the Ave River, in the extreme north of the municipality.
The parish is notable for a few national monuments, including: