It is romanized as Vietnamese family name "Triệu" among the Chinese diaspora in Vietnam.

Zhao is cognate to Korean family name "Cho" (조) in Korea.

In 2016, the blog writer Program Think set up a GitHub project named Zhao.

[5] The project collects the relationships among more than 700 people in over 130 families including Xi Jinping, the general secretary of the Chinese Communist Party, and many other high level government officials of the Chinese Communist Party.

[6] Error status code 451 would be reached if the connection request to the project is from China.