What place does Middle Earth refer to?

Middle-earth refers to China or Central Plains Dynasty, also known as Central Plains, China, Midsummer, Huaxia and Zhu Hua.

Ancient refers to the Central Plains, the birthplace of Chinese nation and civilization, and the regional concept centered on the middle and lower reaches of the Yellow River, which means within the country and between heaven and earth. According to the concepts of astronomy, geography and feng shui, the ancestors of the Chinese nation believed that Dengfeng, Henan, located at the foot of Songshan Mountain in Zhongyue, was in the center of the world. In the Central Plains, there is Qinglong on the left, south of Taihang Mountain in Li Qian, White Lake on the right, Funiu Mountain Range, Tongbai Mountain Range and Dabie Mountain Range in Li Qian in the north, and the towering Tianshan Mountain, Kunlun Mountain and Qinling Dragon Body in the west. Songshan Mountain, the ancestor of Wanshan Mountain, is the Long Mai of the East. The Yellow River Luoshui is a world-famous two-river basin and the center of Chinese national activities. Dengfeng, known as Yangcheng and Yuzhou in ancient times, was also known as Yangzhai, Xiayi and Yanshi in ancient times. It is also the earliest place where the Chinese nation and the Chinese nation have lived, multiplied and built their capital since 5,000 years of historical and cultural civilization.