Guillac is a commune located in the Gironde department in the Nouvelle-Aquitaine region of southwestern France.
Geography Guillac is situated approximately 40 kilometers (25 miles) northeast of Bordeaux and about 10 kilometers (6 miles) east of Libourne. It lies within the historic region of Guyenne and is part of the extensive agricultural landscape characteristic of the Gironde department, which is well-known for its vineyards, although Guillac itself is a more general agricultural area. The commune is traversed by minor roads and is primarily rural in nature.
Administration Guillac is part of the arrondissement of Libourne and the canton of Le Réolais et Les Bastides. Its local administration is overseen by a municipal council and a mayor, typical for French communes.
Demographics As a relatively small rural commune, Guillac has a modest population. The demographics reflect a stable, largely agricultural community.
Economy The local economy is predominantly agricultural, with a focus on general farming and small-scale livestock. Given its location within the Gironde, it also benefits indirectly from the wider economic activity of the region, including viticulture and tourism, though these are not central to Guillac's direct economy.