Hello. I am going to Frankfurt for business/work in October.This will be my first time in Europe and I would like to travel to other countries in Europe during the weekend. I would prefer to go to countries that are accessible and only a short distance from Frankfurt for a day trip so I do not have to book an overnight stay at a hotel anymore.
My target countries are: Paris, Vienna, Amsterdam and Switzerland. Is this doable for a day trip via train? Are there other countries or cities you could suggest? Thank you so much. I would appreciate all inputs.