Aigurande is a commune in the Indre department in central France. The town's name derives from the Gallic word Equoranda, which refers t…Aigurande is a commune in the Indre department in central France. The town's name derives from the Gallic word Equoranda, which refers to a river or stream separating two Gallic tribes (in this case the Pictones and the Bituriges.