Bargeld
) is still popular, especially in smaller guesthouses. Cancellation policies vary depending on the offer. Cheaper rates are often non-refundable, while flexible options allow for free cancellation until a specific date. Always check the exact terms listed for your chosen room before finalizing your booking – everything is clearly described there!Tageskarte
), which is often the most cost-effective option for tourists. Very important: Remember to validate (entwerten
) your single or day ticket in a stamping machine before starting your first journey. An unvalidated ticket is not valid!Umweltzone
). Entering such zones requires a special sticker (Umweltplakette
) on your car's windshield to avoid a fine.