The above map shows that most of Indonesia sits just below the equator. It is the world’s most expansive archipelago, stretching over 5000km from East to West (wider than Australia). It comprises 18,000 islands, of which 6000 are inhabited. From West to East, the five main Islands are: Sumatra – 474,000 sq km; Java – 132,000 sq km; Kalimantan (Indonesian Borneo) – 540,000 sq km; Sulawesi – 202,000 sq km; Papua (formerly Irian Jaya) – 422,000 sq km. The total land area is 1,900,000 sq km (UK 250,000 sq km).