The next Interior secretary will also have 30 days to rename the Gulf of Mexico as Gulf of America, President Donald Trump ordered Monday.

The tallest peak in North America has been named Denali since 2015 when its name was officially changed under former President Barack Obama.

Mexican president says President Trump can call the gulf whatever he wants but that the world will still call it the Gulf of Mexico.

What’s in a name? A lot, according to President Donald Trump, especially when it comes to putting America first. In his inaugural speech on Monday, Trump repeated his wish to rename the Gulf of Mexico as the Gulf of America.

Shortly after being sworn in as the 47th President of the United States, Donald J. Trump signed a bunch of executive orders in the Oval Office.

President Donald Trump's executive orders propose bold changes to some of America's iconic landmarks. Here's what we know about renaming the Gulf of Mexico and Mount Denali, and what could happen next.

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.

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

The executive order will direct the secretary of the interior to change the name to "Gulf of America” for use on official maps and throughout the federal government, according to the New York Post, which first reported the news. Trump has nominated Republican North Dakota Gov. Doug Burgum to the Department of Interior.

As president, Trump can take the action to rename the body of water, although other countries don’t have to adopt the new name.

Donald Trump will order the renaming of the Gulf of Mexico and Alaska’s Mount Denali in his first hours as the 47th president, The Post has learned.