There are more than three countries.
Depending on if you include islands or not, the northernmost European country is either Norway or Russia. The third northernmost would be Finland.
0 degrees
0 Degrees
The equator
Between 31 and 40 degrees latitude north and south of the equator
41 degrees South
The Equator!
The equator is at the zero line of latitude.
high latitudes can be found 23 degrees north and 23 degrees south.
The equator is the starting point for measurements of latitude, at 0 degrees.
At 23.5 degrees north latitude, you would find the Tropic of Cancer. This line of latitude marks the northernmost point where the sun appears directly overhead at the summer solstice. It passes through countries such as Mexico, Egypt, Saudi Arabia, and India.
A tropical climate would not be found above 30 degrees latitude. This region typically experiences milder temperatures and is not as consistently warm as areas closer to the equator.
The Equator is the zero (0 degrees) line of latitude.