Tirúa (Spanish pronunciation: [tiˈɾu.a]) is a Chilean commune and town in Arauco Province, Biobío Region.

According to the 2002 census of the National Statistics Institute, Tirúa spans an area of 624.4 km2 (241 sq mi) and has 9,664 inhabitants (5,028 men and 4,636 women).

[3] As a commune, Tirúa is a third-level administrative division of Chile administered by a municipal council, headed by an alcalde who is directly elected every four years.

[1][2] Within the electoral divisions of Chile, Tirúa is represented in the Chamber of Deputies by Manuel Monsalve Benavides (Socialist Party of Chile) and Iván Norambuena Farías (Independent Democratic Union) as part of the 46th electoral district, together with Lota, Lebu, Arauco, Curanilahue, Los Álamos, Cañete and Contulmo.

The commune is represented in the Senate by Felipe Harboe Bascuñán from PPD and Víctor Pérez Varela of UDI as part of the 13th senatorial constituency (Biobío-Coast).