The borderless region known as the Schengen area includes the following countries: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Italy, Luxembourg, The Netherlands, Norway, Portugal, Spain and Sweden. All these countries issue a standard Schengen visa that allows the holder, in principal, to travel freely within the borders of all. Travellers to Greece must hold visible means of support. It is recommended to hold return/onward ticket. If arriving with a one-way ticket, passengers may be asked for proof of sufficient funds for the return/onward journey.