Gulf of Mexico Gulf of Mexico The Gulf of Mexico () is an ocean basin and a marginal sea of the Atlantic Ocean, largely surrounded by the North American continent. It is bounded on the northeast, north and northwest by the Gulf Coast of the United States, on the southwest and south by Mexico, and on the southeast by Cuba. The U.S. states of Texas, Louisiana, Mississippi, Alabama, and Florida border the Gulf on the north, which are often referred to as the "Third Coast", in comparison with the U.S. Atlantic and Pacific coasts. The Gulf of Mexico formed approximately 300 million years
Name of Mexico triumphantly with his Army of the Three Guarantees (religion, independence, and unity). This was followed by the birth of the short-lived First Mexican Empire that used the "Mexico" name according to the convention used previously by Roman Empire () and the Holy Roman Empire, whereby the capital gives rise to the name of the Empire. This was the first recorded use of "Mexico" as a country title. After the Empire fell and the Republic was established in 1824, a Federation name form was adopted; which was, at most times, more "de jure" than "de facto". The Mexican name stuck, leading