'water returning site') refers to the fact that the tide from the Keelung River stops at Xizhi and goes back to the sea.

During Japanese rule, the place name was changed to Shiodome (汐止, literally 'end of tides') and was under Shichisei District, Taihoku Prefecture.

After the handover of Taiwan from Japan to the Republic of China, Xizhi was established as an urban township of Taipei County.

Around U-Town, there are hypermarkets, such as Carrefour and Costco, international computer companies, such as Acer, and retailer of consumer electronics and entertainment software, such as TK3C.

The remaining floors also include the lobby, Farglory Museum, a spa, swimming pool, business meeting rooms as well as offices.