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History by Date · World · 400 CE

Map of the World in 400 AD (400 CE)

In 400 CE the atlas maps 53 states and empires across the world. The largest by mapped territory was The Sasanian Empire, at about 2.99M km², followed by Western Jin. The map below is set to 400 CE; the table lists every state shown, with the modern countries its borders covered.

States Mapped
53
Largest
2.99M km²
The Sasanian Empire
Modern Countries Covered
85
At least partly
Longest Established
500 BCE – 400 CE
Zapotec Civilization

Map of the World in 400 CE

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Borders are drawn for 400 CE. Drag the timeline to move to another year.

The Major Powers of 400 CE

The Sasanian Empire, officially Eranshahr, was an Iranian empire that was founded and ruled by the House of Sasan from 224 to 651 AD. Lasting for over four centuries, the length of the Sasanian dynasty's reign over ancient Iran was second only to that of the Arsacid dynasty of Parthia which immediately preceded it.

Mapped extent in 400 CE: 2.99M km²

Western Jin

265–425 CE

The Jin dynasty or the Jin Empire, officially Jin, sometimes distinguished as the Sima Jin or the Two Jins, was an imperial dynasty in China that existed from 266 to 420 CE. It was founded by Sima Yan, posthumously known as Emperor Wu of Jin, who previously served as the regent of the Cao Wei dynasty.

Mapped extent in 400 CE: 2.44M km²

In modern historiography, the Western Roman Empire was the Roman Empire's western provinces collectively during any period in which they were administered separately from the eastern provinces by a separate, independent imperial court. Particularly from AD 395 to 476, there were separate, coequal courts dividing the governance of the empire into western and eastern provinces with a distinct imperial succession in the separate courts.

Mapped extent in 400 CE: 2.13M km²

The Gupta Empire

324–554 CE

The Gupta Empire was an Indian empire during the classical period of the Indian subcontinent which existed from the mid 3rd century to mid 6th century CE. At its peak, the dynasty ruled over an empire that spanned much of the northern Indian subcontinent.

Mapped extent in 400 CE: 1.99M km²

The Byzantine Empire, also known as the Eastern Roman Empire, was the continuation of the Eastern part of the Roman Empire centred on Constantinople during late antiquity and the Middle Ages. Having survived the fall of the Western Roman Empire in the 5th century AD, it endured until the fall of Constantinople to the Ottoman Empire in 1453.

Mapped extent in 400 CE: 1.76M km²

Huns

106–425 CE

The Huns were a nomadic people who lived in Central Asia, the Caucasus, and Eastern Europe between the 4th and 6th centuries CE. According to European tradition, they were first reported living east of the Volga River, in an area that was part of Scythia at the time.

Mapped extent in 400 CE: 1.44M km²

Descriptions are the opening of each state's Wikipedia article (CC BY-SA 4.0).

States and Empires in 400 CE

53 mapped, largest territory first. Dates are the span of each state's mapped borders.

States and empires in 400 CE
#StateMapped area
1The Sasanian Empire2.99M km²
2Western Jin2.44M km²
3Western Roman Empire2.13M km²
4The Gupta Empire1.99M km²
5Eastern Roman Empire1.76M km²
6Huns1.44M km²
7Protectorate of the Western Regions597,725 km²
8Western Satraps505,116 km²
9Xionites488,436 km²
10Kidarites473,122 km²
11Northern Wei437,639 km²
12Later Yan386,396 km²
13Mayan City-States378,616 km²
14Vakataka Kingdom377,797 km²
15Later Qin323,512 km²
16Himyarite Kingdom295,961 km²
17Tuyuhun278,493 km²
18Lakhmid Kingdom258,842 km²
19Funan245,198 km²
20Goguryeo220,868 km²
21Kadamba Empire201,492 km²
22Nobatia147,534 km²
23Kalabhra Dynasty137,945 km²
24Kamarupa Kingdom130,767 km²
25Alodia123,780 km²
26Northern Liang119,670 km²
27Pyu City-States116,187 km²
28Western Qin113,840 km²
29Kingdom of Axum97,004 km²
30Later Liang86,136 km²
31Caucasian Albania74,782 km²
32Anurādhapura73,532 km²
33Chámpa72,677 km²
34Zapotec Civilization69,768 km²
35Makuria65,260 km²
36Visigoths44,637 km²
37Baekje43,259 km²
38Wusun38,933 km²
39Caucasian Iberia35,557 km²
40Vandals31,904 km²
41Southern Liang31,085 km²
42Ripuarian Franks28,167 km²
43Late Pallava Empire24,117 km²
44Silla23,506 km²
45Lazica23,475 km²
46Tarumanagara17,409 km²
47Norse16,295 km²
48Byeonhan13,603 km²
49Salian Franks7,101 km²
50Saxons6,335 km²
51Teotihuacan5,674 km²
52Tamna1,959 km²
53Angles1,293 km²

400 CE by Region

400 CE: Quick Answers

What empires and states existed in 400 CE?
The atlas maps 53 states in 400 CE. The largest by mapped territory were The Sasanian Empire, Western Jin, Western Roman Empire, The Gupta Empire, Eastern Roman Empire, Huns.
What was the largest empire in 400 CE?
The Sasanian Empire had the largest mapped territory in 400 CE, about 2.99M km², followed by Western Jin (2.44M km²). Areas are measured from the mapped borders and are approximate.
What did the world map look like in 400 AD?
In 400 CE the map of the World was divided between 53 mapped states and empires. The Sasanian Empire held the largest territory, followed by Western Jin. Their borders covered parts of 85 present-day countries.
How many states are shown on the map for 400 CE?
53. The map shows the states recorded in the atlas's dated border dataset for that year; states and peoples absent from that dataset are not shown.