| Arms | Hastière wapen.svg |
|---|---|
| Province | Namur |
| Arrondissement | Dinant |
| Nis | 91142 |
| Mayor | Claude Bultot (PS) |
| Majority | PS |
| Postal-codes | 5540-5544 |
| Telephone-area | 082 |
| Web | www.hastiere.be |
| Coordinates | 50°13′N 04°50′E |
Hastière (as.tjɛʁ; wa: Astire) is a municipality of Wallonia located in the province of Namur, Belgium.
On 1 January 2006 the municipality had 5,230 inhabitants. The total area is 56.46 square kilometres (21.8 sq mi), giving a population density of 93 inhabitants per square kilometre.
The municipality consists of the following districts: Agimont, Blaimont, Hastière-Lavaux (location of town hall), Hastière-par-delà, Heer, Hermeton-sur-Meuse, and Waulsort.
Hastière's attractions along the river Meuse include the Romanesque Abbey Church of Saint Peter, a former Benedictine monastery (at Hastière-Lavaux), the Renaissance Castle of Freÿr surrounded by 18th-century classical gardens and facing the rocks of Freÿr (north of Waulsort), and the 17th-century buildings of another former Benedictine monastery (at Waulsort).