 During the Middle Ages, it lay outside the city walls, and was the site of a large convent and a pilgrimage church.During the course of the Middle Ages, the swampy land on the Right Bank was filled in and most of the city's growth took place there.This geographic distribution, with the administration and the courts on the island, the merchants on the Right Bank, and the University on the Left Bank, remained largely the same throughout the history of the city down to the present day.