Volume 13 Article informations The functional migration of tertiary establishments located on the northern shores of Lake Tunis Abdelhamid Hagu Abstract Several factors combine to make the urbanization of the northern shores of Lake Tunis an urban product that has been completely consumed by Tunisians. This consumption was related to the appearance of other places more attractive than the lake. In this paper, we will try to study the migration of tertiary establishments through the turnover achieved. Key words: Lake Tunis, urbanization, migration of tertiary establishments, Tunisia.