Swiss citizens are known for their strong adherence to the law and active support for law enforcement. Interestingly, over 45% of the country's crimes are committed by foreigners, who make up only 20% of the population. Street theft, especially during holidays, exhibitions, and conferences, is the most common type of crime.
Basel's residents tend to be reserved when interacting with strangers. However, when on vacation together, formalities often dissolve. It's not customary to address strangers by their first names; instead, titles like "Mr." or "Mrs." should be used as a sign of respect.
Keep in mind that noise is prohibited in the city between 10 pm and 7 am to maintain a peaceful environment.