The island of Corsica, as well as Austria’s capital, Vienna, will also be added to the list.
To define a risk area, Switzerland has set a limit of more than 60 coronavirus infections per 100,000 inhabitants in the last 14 days.
Switzerland itself has seen a steady rise in cases in recent months.
The country of 8.5 million people has counted more than 46,000 cases of the novel coronavirus and over 1,700 deaths.
Read: Biggest One-Day Rise in Coronavirus Cases in the Czech Republic: 1,382