The Persian Plain is a large geographical area located in the Middle East. It is bordered by the Caspian Sea to the north, the Zagros Mountains to the west, and the Hindu Kush Mountains to the east. The term 'Persian Plain' is derived from the ancient Persian Empire, which once ruled the region. The Persian Plain is home to many species of animals, including cats. The two crossword solutions for the term 'Persian Plain' are MEW (3 letters) and MEOW (4 letters). MEW is an onomatopoeic word used to describe the sound a cat makes, while MEOW is a variation of the same sound. Both words are commonly associated with cats, which are native to the Persian Plain.