Ballainvilliers Town Hall invites you to discover its mobile application that will allow you to follow simply and quickly all the practical information you need, wherever you are.   Thanks to the city myMairie app from Ballainvilliers:   - Find the agenda, news and information of your city - Report any problem or suggestion to your Town Hall at any time - Organize your homepage as you like, display the features in the order of your choice. Example: Parents who often connect to the family space w