沙田新市鎮
City One was an important project of the Government's plan on developing the Sha Tin New Town in 1979. of land was reclaimed for the construction of the estate. With massive reclamation, the land which City One was built on was formerly Yuen Chau Kok and the Tide Cove. City One was a joint venture between New World Development, Henderson Land Development, Sun Hung Kai Properties and Cheung Kong Holdings in the 1980s.