Since GPS is owned and controlled by the United States,
the Russia has its own satellite navigation system,
called GLONASS (Global Navigation Satellite System),
not to be confused with glasnost,
China has its, the BeiDou Navigation Satellite System,
and the European Union has its
global navigation satellite system (GNSS), Galileo.
Not to mention the regional systems put up by India and Japan.
See also in The book of science:
Readings on wikipedia: