Portugal is 3 times larger than Belgium.
Area: 30,528 km2 World Factbook
Population: 10,449,361 (July 2014) World Factbook
Belgium, officially the Kingdom of Belgium, is a federal monarchy in Western Europe. It is a founding member of the European Union and hosts the EU's headquarters as well as those of several other major international organisations such as NATO. Wikipedia
Area: 92,145 km2 Wikipedia
Population: 10,459,806 (2,013) World Bank
Continental Portugal or Mainland Portugal is the part of the territory of Portugal located in the Iberian Peninsula and so in Continental Europe. Continental Portugal is also commonly referred to - by the Portuguese - simply as the Continent. Wikipedia