Geographic descriptions can vary depending upon who is using them. A region’s boundaries and characteristics are not always objectively defined.
For example, the “Deep South” in the United States is not a strictly defined political region, but rather a cultural one.
Likewise “central America” is not necessarily a solid political entity.
Most English-speaking countries recognize seven continents as regions:
Asia: Asia is the largest continent in the world by both land area and population. It covers an area of more than 44 million square kilometers, about 30% of the earht’s surface.
Africa
Australia (sometimes called Oceania or Australasia).
Central America
Eastern Europe
Europe
Includes Dalmatia, part of Croatia, it is considered part of Southeastern Europe. Dalmatia is a historical region located in modern-day Croatia and Montenegro, on the eastern shore of the Adriatic Sea. Through time it formed part of several historical states, most notably the Roman Empire, the Republic of Venice, the Austrian Empire, and presently the Republic of Croatia.
North America
Major countries include Canada, USA, Mexico (yes, Mexico is in North America), Cuba, Guatemala, Haiti, and the Dominican Republic.