I've come across some intriguing observations that prompt me to explore potential historical connections. It is worth considering whether there could be links between the Mitanni Kingdom and regions within Iran. Furthermore, it's possible that the Hurians, a historical group, might have inhabited areas encompassing Gilan, Mazandaran, Qazvin, and Central Iran. Additionally, I speculate that there might be a correlation, or at least a strong association, between the Caspi People and the Kassi People. If these speculations hold true, we might speculate that these groups potentially resided in a vast region spanning from Kashan and Esfahan to the Caspian Sea, extending further to Armenia, Anatolia, and even reaching the Mediterranean Sea. However, it's essential to approach these notions with caution, considering that such hypotheses require meticulous interdisciplinary research involving historical records, linguistic analyses, genetic investigations, and archaeological data to be substantiated.