Citizens of Switzerland must have a visa to visit Vietnam. As like some other country, they are not permitted to visit Vietnam for 15 days without a visa.

Can Italy Citizen extend a 15 day visa in Vietnam? Yes, as an Italy citizen, you can extend a 15-day visa in Vietnam with Visa extension or visa renewal. For that, you have to visit the immigration department of Vietnam in the city where currently you are staying.

If you need to extension your visa, you need to acquire permission from the government to stay longer in Vietnam when your current visa is about to expire. You may be able to extend your visa while in Vietnam without leaving the country.