The participation fee is of a maximum of 12.85 euro per night  for which lodging for all participants in at least four different places is provided; conferences, workshops and discussions about cultural, artistic, political or natural aspects of the crossed regions are organised and at least travel from the first to the last place mentioned in the programme, lodging, at least two meals per day (of which at least one is warm) and entrances to museums, historical or archaeological sites and spectacles are provided.