Serica was one of the easternmost countries of Asia known to the Ancient Greek and Roman geographers. It is generally taken as referring to North China during its Zhou, Qin, and Han dynasties, as it w
Green Roman glass cup unearthed from an Eastern Han dynasty (25–220 AD) tomb, Guangxi, China
Bronze coin of Constantius II (337–361), found in Karghalik, modern China
Western Han blue glass bowl
Cathay is a historical name for China that was used in Europe. During the early modern period, the term Cathay initially evolved as a term referring to what is now Northern China, completely separate
Serica
…Silk Road in contrast to the Sinae, who were reached via the maritime routes. A similar distinction was later observed during the Middle Ages between "Cathay" (north) and "Mangi" or "China" (south). The people of Serica were the Seres (Ancient Greek: Σῆρες), whose name was also used for their region. Access…
A typical early 17th-century depiction of "Cataia" as China's northeastern neighbour, Jodocus Hondius, 1610
Not convinced by the Jesuits, John Speed in 1626 follows Jodocus Hondius' layout: He shows the chain of Silk Road cities visited by de Góis (Cuchia, Chialis, Turfan, Camul) – but has it directed not toward China's Shaanxi Sancii, as shown by de Góis, but toward the mysterious "Cathaya, the Chief Kingdome of Great Cam", northeast of China. Naturally, Cambalu and Xandu are shown in Cathay, while Shuntien (Beijing) is in China.
Empire of the Great Khan according to the Catalan Atlas