Yuen Long Town was called Un Long Hui early in the 20th century. It was the main market town in Yuen Long at the time, located in the urban heart of Yuen Long. After the development of Yuen Long New Town, the name "Yuen Long Town" has been used only occasionally. Nevertheless, big companies like Kowloon Motor Bus, and the District Council still use "Yuen Long Town". Some road signs still have "Yuen Long Town" on them, but most of those were erected in the 1990s. Most of the road signs now use "Yuen Long" instead of "Yuen Long Town".