Blue City
Blue City may refer to:

Places
Blue City, Oman, a city in Oman
BlueCity, Rotterdam, Netherlands
Blue City (shopping centre), a shopping centre in Warsaw, Poland
Jodhpur, India, nicknamed Blue City
Chefchaouen, Morocco, nicknamed the Blue City

Art
Blue City (film), a 1986 film adaptation of the novel Blue City starring Judd Nelson and Ally Sheedy
Blue City (manga), a science fiction graphic novel by Yukinobu Hoshino
Blue City (novel), a 1947 detective novel by Ross Macdonald

Organizations
Bluecity, a company providing electric car-sharing services

Others
In US politics, a city whose municipal government is controlled by the U.S. Democratic Party
A city in the United States with stringent restrictions on the sale and consumption of alcohol

See also
Hohhot, Inner Mongolia, China, whose name means "Blue City"