Santo Tirso

Santo Tirso
Municipality
Basílica de Nossa Senhora da Assunção
Flag Coat of arms
Coordinates: 41°20′N 8°28′W / 41.333°N 8.467°W / 41.333; -8.467
Country	Portugal
Region	Norte
Metropolitan area	Porto
District	Porto
Parishes	14
Government
• President	Alberto Costa (Since 2021) (PS)
Area
• Total	136.60 km2 (52.74 sq mi)
Population  (2011)
• Total	71,530
• Density	520/km2 (1,400/sq mi)
Time zone	UTC±00:00 (WET)
• Summer (DST)	UTC+01:00 (WEST)
Website	http://www.cm-stirso.pt

Santo Tirso (Portuguese pronunciation: [ˈsɐ̃tu ˈtiɾsu] ^ⓘ) is a city and municipality located in the north of Porto Metropolitan Area, 25 km from central Porto, Portugal. In the region, the Ave Valley, there is a large center of textile industry. The population in 2011 was 71,530,^[1] in an area of 136.60 km².^[2]

Another important center in the municipality is Aves.

The Santo Tirso Monastery built in 978 is a point of interest.