It is a commune and the capital of the Vienne department and also of the Poitou .
Poitiers ( ( pwatje ) ( listen ) ) is a city on the Clain river in west - central France .
Poitiers is a city and the capital of the Vienne department and also of the Poitou .
Poitiers ( ( pwatje ) ( listen ) ) is a city on the Clain river in west - central France .