From the Wikipedia page 
Poitou-Charentes (French pronunciation: [pwatu ʃaʁɑ̃t]) is a former administrative region in south-western France. It is part of the new region Nouvelle-Aquitaine. It comprises four departments: Charente, Charente-Maritime, Deux-Sèvres and Vienne. Historical provinces are Angoumois, Aunis, Saintonge and Poitou.
The regional capital is Poitiers. Other important cities are La Rochelle, Niort, Angoulême, Châtellerault, Saintes, Rochefort and Royan.
The regional council is composed of 56 members. The region is the home of France's losing presidential candidate Socialist Ségolène Royal in the election of 2007.