Yamatai
The Wei Zhi Worenshuan is a Chinese text that tells about this country. Yamatai came into being when about 30 smaller parts of Japan of that time united under a queen named Himiko.  Yamatai is also famous for trading with Wei, which is a Chinese dynasty. No one knows where the Yamatai can be found. Some archaeologists dispute whether the Yamatai Kingdom was located in northern Kyushu or in the central Kinki region.