Ya sure I will tell you dates of TOEFL exam at Luxembourg city announced by ETS Corporate so that you can check it easily.

Here are the test dates
Luxembourg TOEFL iBT $250
Sat., Sep 03, 2016
Sat., Sep 17, 2016
Fri., Sep 23, 2016
Sat., Oct 08, 2016
Fri., Oct 14, 2016
Sat., Oct 22, 2016
Fri., Nov 04, 2016
Sat., Nov 05, 2016
Fri., Nov 11, 2016
Sat., Nov 12, 2016
Fri., Nov 18, 2016

If you want to choose location and dates this process will help you

Drive to official page of ETS
Main page will open there look for section of TOEFL
Which is at middle page then click on it
A new page will open there click the option of test centres and dates
A new page will open which looks like this
There you can get information easily

ETS, TOEFL test centres and dates



Address:-
ETS Corporate Headquarters
660 Rosedale Road
Princeton, NJ 08541 USA

Phone:-
1-609-921-9000