Redu is a village in the municipality of Libin, in Luxembourg province, Belgium. The village is twinned with Hay-on-Wye in the United Kingdom and it is one of the very first book towns.
The ESTRACK Redu Station for the European Space Agency is located about a kilometre away.
It has also a theme park in the nearby village of Transinne, one of the few in Europe devoted to space and astronautics, Euro Space Center.