Home Box Office (HBO)—originally established on November 8, 1972, as a premium cable television network in the United States—has, since 1991, expanded into a family of international pay television channels presently owned by Warner Bros. Discovery subsidiary Home Box Office, Inc. and operated through sister subsidiary Warner Bros. Discovery International or owned by third-party media companies through programming and brand licensing partnerships.
https://en.wikipedia.org/wiki/List_of_HBO_international_channels