Puerto Rico is a piece of land surrounded by water.
It is an archipelago that includes the main island of Puerto Rico and a number of smaller ones such as Mona , Culebra , and Vieques .	archipelago	archipelago	Mona	Isla de Mona	Culebra	Culebra, Puerto Rico	Vieques	Vieques, Puerto Rico
An archipelago -LRB- -LSB- rkplo -RSB- -RRB- , sometimes called an island group or island chain , is a chain , cluster or collection of islands .	island	island
