Mexico says Google relabeled the entire gulf, including Mexican and Cuban maritime areas, but President Trump’s order applies only to the U.S. continental shelf.

Mexican President Claudia Sheinbaum says her government is not ruling out filing a civil lawsuit against Google if it maintains its stance of calling the stretch of sea between northeastern Mexico and the southeastern United States the “Gulf of America.

The name change to Gulf of America is the first since the 1540s where various maps referred to it as the Mexican Gulf, Golpho de la Nueva España, and, finally Gulf of Mexico.