Luxembourg or the only Grand Duchy in the world, has Germany, Belgium and France as border countries. It is a member of Benelux and is separated in three districts : Diekirch, Grevenmacher and Luxembourg. 3 official languages are spoken, luxembourgeois/lëtzebuergesch, german and french. You can visit the Ardens' mounts and marvels, the mythic Müllerthal rocks, and the industrial and achitectural patrimony of the Red Lands' area. Mostly gently rolling uplands with broad, shallow valleys. Uplands to slightly mountainous in the north, steep slope down to Moselle flood plain in the southeast.