What modern countries made up the spanish Netherlands?

The Spanish Netherlands primarily comprised regions that are now part of modern-day Belgium, Luxembourg, and the Netherlands. During the 16th and 17th centuries, this territory was under Spanish rule and included various provinces such as Flanders and Brabant. The area was a significant economic and cultural center during the period. After the Eighty Years' War, the northern provinces became independent as the Dutch Republic, while the southern provinces remained under Habsburg control.