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Geography of Asia

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Asia is a massive continent that covers a huge part of the Earth.

Asia satellite orthographic
Asia satellite orthographic

It contains 58 different countries and territories. Because it is so large, defining its exact borders is a complex task for geographers. Some borders are clear, like the Arctic Ocean to the north. Others are more complicated, such as the boundary between Asia and Europe. This border runs through the Black Sea and the Caucasus Mountains. It also follows the Ural River and the Ural Mountains to the Kara Sea.

1916 physical map of Asia
1916 physical map of Asia

In the east, the Bering Straits separate Asia from North America.

Defining the edges of Asia depends on the specific rules being used. For example, the border between Asia and Africa is marked by the Suez Canal and the Red Sea. However, the Middle East includes parts that are in Asia and parts that are in Africa. Some people include Egypt in the Middle East, but Egypt is not part of the continent of Asia. In the southeast, the Malay Peninsula marks the end of mainland Asia. Beyond that lies Indonesia, a vast nation made of thousands of islands. These islands sit on the Sunda Shelf. The border between Indonesia and Australia is still being negotiated today. This is because leaders must decide on rights for the water and the seabed.

1730 C. Homann Map of Asia - Geographicus - Asiae-homann-1730
1730 C. Homann Map of Asia - Geographicus - Asiae-homann-1730

Geologists look at the world through the lens of plate tectonics. This is the study of the massive plates of rock that make up the Earth's crust. Under this scientific view, Asia is part of the much larger Eurasian Plate. This plate also includes the continent of Europe. However, other tectonic plates are located within the general area of Asia. These include the Arabian Plate and the Indian Plate. Because of these moving plates, some geographers argue that parts of Asia are actually distinct landmasses. For instance, South Asia and East Asia could be seen as separate geological regions.

Our modern understanding of Asia has deep roots in ancient history. In Archaic Greece, thinkers first began to divide the world into three parts. They called these parts Asia, Europe, and Libya.

Ixia beach Rhodos Greece 4
Ixia beach Rhodos Greece 4

At that time, most ships were not built for the deep ocean. Sailors preferred to follow the coastlines closely to stay safe.

Museum für Antike Schiffahrt, Mainz 02. Spritsail
Museum für Antike Schiffahrt, Mainz 02. Spritsail

Because of this, early people defined continents by their shores or bluffs. The Greek historian Herodotus wrote about these ancient shores. He was actually quite puzzled by how people divided the land. He wondered why three different names were given to what seemed like one continuous tract of land.

Other ancient thinkers provided different ways to explain the world. The geographer Strabo suggested that continents were separated by seas. He believed that as sailors passed through certain straits, the different shores appeared on either side. Later, a Roman-era geographer named Ptolemy refined these ideas. Ptolemy distinguished between geography and chorography. Geography was the study of the whole known world. Chorography was the more detailed study of specific places. Ptolemy believed that seas made better borders than rivers. He also used the name Libya to describe the continent of North Africa.

Asia's size is difficult to measure exactly because different sources use different methods. The New York Times Atlas of the World and the Chambers World Gazetteer provide different estimates for its area. Mainland Asia stretches across a vast distance of latitude and longitude. It spans about 77 degrees of latitude and 165 degrees of longitude. Indonesia adds even more territory to the continent because of its many islands. These islands extend the southern reach of Asia much further than the mainland alone. This makes the total size of the Asian region very large and varied.

Today, we organize Asia into many different regions for study. We might talk about East Asia, South Asia, or the Middle East. We can also use climate maps to see how different environments work.

Koppen-Geiger Map v2 Asia 1991–2020
Koppen-Geiger Map v2 Asia 1991–2020

The term "Asian" can also change meaning depending on where you are. In American English, it often refers to people from East and Southeast Asia. In British English, it often refers to people from South Asia. These different views show that geography is not just about land, but also about how people see the world.

1916-Asia-political-map
1916-Asia-political-map
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🖼️ Images & Media (8)
File:1730 C. Homann Map of Asia - Geographicus - Asiae-homann-1730.jpg
1730 C. Homann Map of Asia - Geographicus...
File:Asia satellite orthographic.jpg
Asia satellite orthographic.jpg
Modern Asia (1796).tif
File:1916 physical map of Asia.jpg
1916 physical map of Asia.jpg
File:Ixia beach Rhodos Greece 4.jpg
Ixia beach Rhodos Greece 4.jpg
File:Museum für Antike Schiffahrt, Mainz 02. Spritsail.jpg
Museum für Antike Schiffahrt, Mainz 02....
File:Koppen-Geiger Map v2 Asia 1991–2020.svg
Koppen-Geiger Map v2 Asia 1991–2020.svg
File:1916-Asia-political-map.jpg
1916-Asia-political-map.jpg
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