Postcards Australia and Postcards are Australian holiday and travel television series. The shows are produced by WIN Television

WIN Television

WIN Television is an Australian television network owned by the WIN Corporation that is based in Wollongong, New South Wales. WIN commenced transmissions on 18 March 1962 as a single Wollongong-only station, and has since expanded to 24 owned-and-operated stations with transmissions covering a...

 and Channel 9 Adelaide (NWS9). Several versions of the show are broadcast throughout the country, with some versions localised for particular states.
There were originally three different versions of Postcards, each produced and broadcast within its specific city or market.