Caspian Sea

"The Caspian Sea is home to the tadpole gobies. If you're looking for them, then this could be the right place, you know. Also, the Caspian Sea's oil production could be dwindled, thanks to the lack of concern on saving the environment."

--Su Ji-Hoon, Home Sweet Home

The Caspian Sea is the largest enclosed inland body of water on Earth by area, variously classed as the world's largest lake or a full-fledged sea. It is in an endorheic basin (a basin without outflows) located between Europe and Asia. It is bounded by Kazakhstan to the northeast, Russia to the northwest, Azerbaijan to the west, Iran to the south, and Turkmenistan to the southeast.