Simplify the following text for a Grade 14 native English-speaking person.
Original: The region remains one of the most complicated in the post-Soviet area , and comprises three heavily disputed areas â `` Abkhazia and South Ossetia in Georgia , and Nagorno-Karabakh in Azerbaijan .
Simplified: The region is one the most complicated in the post-Soviet area , and has three heavily disputed areas â `` Abkhazia and South Ossetia in Georgia , and Nagorno-Karabakh in Azerbaijan .