The Isthmus of Kra is located in the Malay Peninsula. It lies between the Ranong and Chumphon provinces of Southern Thailand. It is bordered by the Gulf of Thailand in the east and the Andaman Sea in the west.
The Aral Sea was an endorheic lake lying between Kazakhstan and Uzbekistan. The name roughly translates as “Sea of Islands”, referring to over 1,100 islands that had dotted its waters.