Q: In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.
Transcaucasia spans the southern portion of the Caucasus Mountains and their lowlands , straddling the border between the continents of Europe and Asia , and extending southwards from the southern part of the Greater Caucasus mountain range of southwestern Russia to the Turkish and Armenian borders , and from the Black Sea in the west to the Caspian Sea coast of Iran in the east .
A:
South Caucasus , also referred to as Transcaucasia or Transcaucasus , is the southern area of the Caucasus region between Europe and Asia , going from the Greater Caucasus to the Turkish and Iranian borders , between the Black and Caspian Seas .