"Parc de la Ville de Luxembourg".
The location is a pergola in the middle of the park (see the photo above), a big concrete stairway leading to it, another big square with a fountain is not far from it to the east. West of the location is the building of the Croix Rouge. Also the Villa Vauban is next to it. Easiest way to reach it is parking at Glacis or coming from Centre Hamilius (if arriving by bus).
