Urbis topo is wrong here : Rue Joseph Dupont - Joseph Dupontstraat 8 don't belong to Hôtel de Lannoy - Huis de Lannoy.

https://monument.heritage.brussels/fr/Bruxelles_Pentagone/Rue_Joseph_Dupont/6/30216

And clearly indicate here too : (U) https://monument.heritage.brussels/nl/buildings/30242

+ restore nl name (on official inventory named Huis de Lannoy)

Place de la Monnaie 5 should exist somewhere here ; not on Urbis but it's the Registered seat's address of Théatre Royal de la Monnaie - Koninklijke Muntschouwburg since February 18, 2019

https://cf2d.be/ is here (exact location maybe a little more nord west) : IT recycling, social-economy (on-the-job training) and a small shop with IT reconditioned thinks.

Still a strange address computing here with nominatim : 9, Place du Luxembourg, Quartier Léopold, Ixelles, Bruxelles-Capitale, 1047, Belgique

Jardin Akarova : this part don't belong to the park ; it's a part of the schoolyard of "École Maternelle Dachsbeck" , there is a wall that seperate the 2 area. (AIV Modèle d'altitude numérique Flandres II, Skyview facteur 0,25 m show partialy the delimitation).

Theres is also a door to schoolyard on Rue des Visitandines, but don't think it's a entrance (probably a service door).

Don't think the outline of the Museum is correct ; i never visited but i make "delivery on the door" and it's look like the depth is more than 7.6 m.

+ fix website