Grenada ,Carriacou and Petite Martinique are a group of Tri islands located in the Caribbean. Grenada is an island country of the West Indies. It is the southernmost island of the north-south arc of the Lesser Antilles, lying in the eastern Caribbean Sea about 100 miles (160 km) north of the coast of Venezuela. Oval in shape, the island is approximately 21 miles (34 km) long and 12 miles (19 km) wide. The southern Grenadines—the largest of which is Carriacou, about 20 miles (32 km) north-northeast, with an area of 13 square miles (34 square km)— The other sister Island is Petite Martinique. This Design shows all the glory of these Tri Island as well as providing the national colors of Red, Green and yellow along with Grenada's Longitudes and Latitudes locations on the map.