The Schengen Area is an association of 28 countries that have joined so as to promote the freedom of motion along with the movement of individuals and goods. A passport in any member country is valid all over people from any Schengen region country and the region can use their passports to enter another member nation. If you're planning to visit with Luxembourg and in case you've got a Schengen visa, then you can use it also to travel the entire location and to get about.