A geographer explains who decides what goes on the map.

In one of his first acts as president, Donald Trump used an executive order on Monday to rename the Gulf of Mexico and Denali in Alaska. To start, Trump re-named the Gulf of Mexico the “Gulf of America,” following through on a promise he made during his campaign. The body of water borders Texas, Louisiana, Mississippi, Alabama, and Florida.

Trump also renamed Denali, North America’s tallest peak, as Mount McKinley, despite objections from Alaska’s senators.

President-elect Donald Trump said in his inaugural address that he plans to rename the Gulf of Mexico and the Denali peak in Alaska. The Gulf of Mexico will be renamed the Gulf of America, and Denali,

As part of a torrent of decisions he issued hours after taking office, President Donald Trump declared that the name of America’s tallest mountain be changed from Denali to Mount McKinley, and that the Gulf of Mexico be renamed “The Gulf of America.”

Oklahoma public schools will be among the first to adopt President Trump's new names for the Gulf of Mexico and Alaska's Denali, America's highest mountain

Google said on Monday that it will change the name of the Gulf of Mexico to “Gulf of America” in Google Maps once it is updated in the U.S. Geographic Names System. Google Maps will also change the name of Denali in Alaska to “Mount McKinley.

While a name change for the Gulf of Mexico could be applied for federal references, other nations have no obligation to follow suit.

Signal workers at Canadian National Railways could strike as early as Tuesday over contract issues, while the Association of Flight Attendants has told its Alaska Air members to vote "yes" on new contract or face dire consequences.

Google will show Gulf of Mexico as "Gulf of America" and Alaska's Denali as "Mount McKinley" in the United States once the U.S. government has officially updated to the U.S. Geographic Names Information System.

Google said it would follow the Trump administration in renaming the Gulf of Mexico once the new name is updated in government sources.