Givenchy-l Ã s-la-Bass Ã e is a commune . It is found in the region Nord-Pas-de-Calais in the Pas-de-Calais department in the north of France .
Givenchy-l Ã s-la-Bass Ã e is a commune in the Pas-de-Calais department in the Nord-Pas-de-Calais region of France .