It is located in the Greater Antilles region, Jamaica is the smallest of the four large islands that define the northern boundary of the Caribbean Sea
Sorry, I still do not understand what Antilles is?
Antilles refers to a semi-mythical land called Antilia which can be found on many medieval maps. This was before Europeans traveled all the way across the Atlantic, but they did have an idea that some land was across the seas to the west, though it was often depicted as a large continent or island.