"As a hotel this was a reasonable place. Quiet, good spacious rooms. However, for the naive it can be confusing as there is another Courtyard by Marriott Brussels in the city which is much more centrally placed.
The difference is that one has EU on the end. This doesn't! If you don't realise that then like us, you'll be headed for a hotel stuck in the suburbs rather than the hubbub.
Once you realise this and are satisfied, with planning you can get around reasonably quickly as there are various...