Java and Sumatra are two of five main Island in Indonesia. Java is the central Island. Sumatra is located at the Western part.
It is located in the Sunda strait, between Sumatra Island and Java Island. So it is in the west of Java, south east of Sumatra
Krakatoa is located in Indonesia, between the islands of Java and Sumatra in the Sunda Strait.
The islands of Sumatra, Java, Bali, and Timor lie between Asia and Australia.
Java
Sumatra from Java
The Sumatra-Java mountain range runs through the islands of Sumatra and Java in Indonesia. It is a volcanic mountain range that includes several active and dormant volcanoes, such as Mount Merapi and Mount Semeru.
Borneo and Java is Indonesia Country
between Java and Sumatra, Indonesia
Between Java and Sumatra, Indonesia
Indonesia
The largest Islands in Indonesia are: Borneo, Java, Sumatra and Sulawesi.