Han-tan

The good people of Han-tan were in the habit, every New Year's day, of presenting their Governor, Chien Tzü, with a number of live pigeons.

Source: wiktionary

Now we know from the biography that Tzŭ-chʻu's wife had formerly been an ordinary courtesan (chi 姬) of Han-tan, who had been selected by Lü Pu-wei to be his concubine because she "was extremely beautiful and an excellent dancer."

Source: wiktionary

Lu Pu-wei was a prosperous businessman in the large city of Han-tan in Chao, where he met a prince of Ch’in who was being kept as hostage in the capital.

Source: wiktionary

Ch'in Shih-huang-ti, the son of King Chuang-hsiang, was born in about 258 bc in Han-tan, the capital of the state of Chao.

Source: wiktionary