The East Indies islands, modern Indonesia, are considered to be in Asia. However, the most eastern island in the archipelgo , New Guinea, is tectonically, part of Australian tectonic plate.
The island of New Guinea is divided into two political parts. The western part is part of the nation/country of Indonesia. The eastern part forms a separate nation of Papua New Guinea(PNG).
You are referring to Australia. Oceania is the same thing, but includes all of the islands between North America and Japan.
Australia is the largest island continent.
In the Gulf of Mexico between North and South America. They are in the Continent of North America.
The continent north of Australia is Asia.
The continent being described is Africa. The Equator crosses through a group of islands just to the north of Africa, which are the islands of Sao Tome and Principe. These islands are located in the Gulf of Guinea, off the western coast of Central Africa.
North America has the arctic archipegalo in northern canada. There are quite a few islands in the archipegalo. Some organize indonesia as a part of the oceania continent or the continent of australia. This large group of islands would make the oceeania or australia have many islands. Although some categorize these islands as a part of asia.
The Cayman Islands are in North America.
Africa
You are Asia. The equator crosses through the islands of Indonesia, which is located just to the north of the continent.
The Caribbean Islands are a part of North America.
North America and Australia
The island of New Guinea lies directly north of Australia, and has many dense forests.