There's some confusion around the Caspian Sea, namely, is it actually a sea? Don't we usually call fully enclosed bodies of water, lakes? Hopefully this clears things up a little.

Why Is the Caspian Sea Shrinking? According to the new study, the water sources that typically feed the sea are contributing ...

Russian President Vladimir Putin in December warned the Caspian must not "under any circumstances" be allowed to become another Aral Sea a lake further east which was once the world's fourth ...