Google Maps is renaming the Gulf of Mexico to the Gulf of America - as ordered by Donald Trump within hours of becoming President last week.

It'll appear once the name's officially updated in the US Geographic Names system.

US correspondent Dan Mitchinson says the name will appear differently, depending on where a person is.

"In the US, we're going to see it as what President Trump wants to call it - the Gulf of America. Around the rest of the world, you're going to see it as the name used by the country where you're accessing the maps."

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