What are non examples of region

Language, government, or religion can define a region, as can forests, wildlife, or climate. Regions, large or small, are the basic units of geography. The Middle East is considered a political, environmental, and religious region that includes parts of Africa, Asia, and Europe. The region is in a hot, dry climate

b) trade is easy because of the direct line between their major ports. bilateral trade reached 89,6 thousand million.