Basel (Basel-Stadt): CHF 4.00 per person per night. The tax applies to all visitors aged 12 years and over and is capped at a maximum of 30 nights. The source states that the information was current as of 30 December 2025.
Visitors under 12 years old are exempt; the tax applies to visitors aged 12 and over. The tax is capped at a maximum of 30 nights.
The source does not state any specific rule for short-term rentals or Airbnb-style accommodation. It only notes generally that tourist taxes are typically collected by the accommodation provider on arrival and may be subject to change.