Visitors taking in the view of the Gulf of Mexico in Galveston, Texas, on Friday aren't sure what to make of President Donald Trump's decision to rename it Gulf of America.

Mapmakers and teachers are re-thinking what to call the gulf of water between Mexico, the United States and Cuba after President Donald Trump ordered it renamed from the Gulf of Mexico to the Gulf of America.

The Department of the Interior says they're moving quickly to implement President Donald Trump's executive order to rename Mount Denali and the Gulf of Mexico.

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

President Donald Trump renamed the Gulf of Mexico to the Gulf of America and the Alaska mountain Denali to Mount McKinley. What you need to know.

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.”

The U.S. Coast Guard started using the term “Gulf of America” to refer to the Gulf of Mexico on Tuesday, one day after President Trump signed an executive order setting in motion the process to

Congressman Dan Crenshaw, who represents the Houston area, is pushing forward on plans to rename the Gulf of Mexico.

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

The Gulf of Mexico is a large oceanic basin located in the southeastern region of North America, bordered by the United States (to the north and east), Mexico (to the west and south), and Cuba (to the southeast). It is part of the Atlantic Ocean and is connected to it via the Straits of Florida and the Caribbean Sea through the Yucatán Channel.

Federal changes have to be made, but other countries and private companies can keep using "Gulf of Mexico." Here's why.