What state is Sumatra in?

Sumatra Island was called Suvara DV: pa (Sanskrit: "Golden Island") in ancient times, and it was also called "Golden State Region" in China literature, and Malay Pulaw Emas also refers to Golden State Region. Obviously, it is because gold has been produced in the mountains of Sumatra since ancient times. /kloc-The reputation of "Golden State District" in the middle of 0/6th century attracted many Portuguese explorers to Sumatra to look for gold. The sixth largest island in the world and the second largest island in Indonesia, second only to Borneo. One of the islands of sunda islands, its economic status is second only to Java. It faces the Malay Peninsula across the Straits of Malacca in the northeast, the Indian Ocean in the west, the South China Sea in the east and Java Island in the southeast. The length from north to south is1790km, and the width from east to west is 435km. It covers an area of 434,000 square kilometers, including about 475,000 square kilometers of islands, accounting for 1/4 of the land area. There are more than 90 volcanoes in the western half of the mountain, and the highest peak is Ge Linzhi volcano, with an altitude of 3805 meters. The eastern half is plain, which is wide in the south and narrow in the north, and the widest point is about 100 km. It is hot and rainy all the year round, with little temperature difference, but the rainfall is obviously different. The annual precipitation on the west coast is 3000 mm, and it can reach 4500 ~ 6000 mm in mountainous areas; The annual precipitation from the eastern slope of the mountain range to the coastal plain is 2300 ~ 3 100 mm, and the annual precipitation at the north and south ends of the island is1500 ~1700 mm. There are many rivers, mainly Muxi River, Batangan River, Indra Giri River and Gamba River, which are navigable. Tropical forests are abundant, with a coverage rate of 60%. There are also mineral deposits such as oil, coal, iron, gold, copper and calcium. Agricultural products are mainly rice, coffee, rubber, tea, oil palm, tobacco and coconut. Industry includes oil refining, mining, machinery, chemicals and food processing. Important cities include Medan, Badong and Dagang.