- A banning city refers to a city or municipality that enacts strict regulations or bans certain activities, substances, or behaviors within its jurisdiction. This can include banning smoking in public spaces, prohibiting the sale of certain products, such as plastic bags or single-use plastics, or implementing restrictions on alcohol sales or consumption. Banning cities aim to promote public health, environmental sustainability, or social order by prohibiting certain activities that are deemed harmful or undesirable. These cities often face debates and criticisms regarding the infringement of personal liberties or the impact on local businesses.