1, ancient Egypt. Originated in the lower Nile and its delta, it was near Thebes in the early days.
2. Babylon, Cuba, that is, the civilization of two rivers: the Tigris River and the Euphrates River, in what is now Baghdad, Iraq.
3. Ancient India. Originated in the Indus and Ganges basins. Generally speaking, it originated in the Indus River near Islamabad, Pakistan.
4. Ancient China. Originated in the Yellow River and the Yangtze River. Generally speaking, it originated on both sides of the Yellow River in Shanxi.
5. Ancient Greek and Roman civilization. This is a civilized area, not an ancient country. It originated in the Aegean Sea of Greece, also known as Aegean civilization, including Greek civilization, Roman civilization and Crete civilization.
The latter three are the three classical civilizations.