Charlieu is a commune in the Loire department at the northern end of the Auvergne-Rhône-Alpes region of France. It is home to Charlieu Abbe…Charlieu is a commune in the Loire department at the northern end of the Auvergne-Rhône-Alpes region of France. It is home to Charlieu Abbey. It is twinned with the town of Calne in Wiltshire, UK.