For better readability of the table, pass into the landscape mode.
Belgium, along with The Netherlands and Luxembourg, became known as e Benelux Union in 1958, which, in turn, became one of the founder members of the "Common Market" now known as the European Union. Brussels is the headquarters of both NATO and the EU.
Belgium is a small country which is divided into the Flanders north (Dutch-speaking) and the Walloon south (French-speaking). Brussels, the capital, is the heart of the country and the European Union.
As far as scuba diving is concerned, there are no dive sites that we are aware of, although a certain amount of inland diving takes place. We are aware of a former marble quarry-turned-extreme-diving-spot which is located at La Roche Fontaine in Southern Belgium and very close to the French border. But, if you know something we don't, please let us know.