USAGE:

GENERAL RULE: We use between, when we are talking about:

1. TWO OF SOMETHING (two people, two animals, two items)
The bill was split between Emily and Jane.
Between you and me, I think Luke should buy his own flat.

2. INDIVIDUAL RELATIONSHIPS: Sometimes between is used with more than two things. I must choose between U of T, UBC, and McMaster University. = Here we are talking about individual relationships between me and U of T, me and UBC, and myself and McMaster University.
There was an agreement between members of the Canadian jury, the American jury and the Australian jury. = Here we are talking about individual/one-to-one relationship: an agreement between the Canadian jury and the American jury; the Canadian jury and the Australian jury; and the American jury and the Australian jury.
There is a trade agreement between Slovakia, the Czech Republic and Austria. = we are talking about a trade agreement between Slovakia (a distinct country) and the Czech Republic (a specified individual country); Slovakia and Austria; and the Czech Republic and Austria.

3. DIFFERENCE: If you have the word difference in the sentence, use between.
There is a difference between the Scottish, the Irish, and the British accent.
There is a difference between rock music, punk rock, and heavy metal.

4. DEFINED LOCATION: When we talk about physical location, we often use between or among. If the location/path/point is defined/specific, use between.
Slovakia lies between Austria, the Czech Republic, Hungary, Ukraine, and Poland.
I ran between the trees and the playground. = a defined path.etwwe