Western European countries are Austria, Belgium, France, Germany, Liechtenstein, Luxembourg, Monaco, Netherlands and Switzerland. Western Europe is one of the four subregions of the European continent. As with other world regions, the exact boundaries can vary depending on whether the classification is cultural, political, or statistical. The concept of "the West" appeared in Europe in juxtaposition to "the East" and originally applied to the Western half of the ancient Mediterranean world, the Latin West of the Roman Empire, and. Detailed overview of Western European countries highlighting the seven countries commonly recognized as part of Western Europe by various sources.