Every traveler must have a valid passport. Depending on the country of origin, a visa may be required to enter Switzerland.
Visa application have to be sent to the Swiss diplomatic/consular mission. As it can take up to eight weeks to process, the application process should be started early enough. The cost for a visa is approx. CHF 60.
Switzerland has one of the lowest crime rates among all industrialized countries. But of course, it is always good to keep an eye on luggage and wallets in busy areas.
Eating out and drinking tap water is safe throughout Switzerland and there are no special vaccinations required. Nevertheless, it is recommended to make sure that routine vaccines like polio or flu are up-to-date. Personal travel insurance is recommended, including coverage of the personal accidents, sickness, or loss of luggage.