What is Daqin, the end of the Silk Road in Han Dynasty?

Roman Empire.

In the 9th year of Yongyuan (97), Ban Chao sent Gan Ying as a special envoy to the Great Qin State (Roman Empire) and arrived in Tiaozhi Sea (now Persian Gulf) to cross the sea. However, due to the gentle words of other maritime merchants, it did not come true, but it broke through the blockade of other countries for the first time, extended the Silk Road from Asia to Europe, and reopened the declining Silk Road.

Characteristics of the Great Qin State:

The History of the Western Regions also recorded the politics, features and specialties of Rome at that time:

"The king without Shu Ren, all Jane Lixian. National disasters and storms from time to time are different and need to be abolished. Those who are released are willing to complain. Its people have grown up, like China, so it is called Daqin ... There are many treasures on the earth, such as night jade, bright moon pearls, scary chicken rhinoceros, coral, amber, stained glass, Ji Lang, Dani and sapphire. Embroidered with gold thread, woven into gold thread and variegated silk. Make gold coating and fire cloth. "