Territorial change of Protectorate of the Western Regions

“Protectorate of the Western Regions” — appears in this map’s data from AD 117 to 601. Its territory was largest in AD 306 – 386, at ≈ 695 thousand km².

Territory by period

Period	Area
AD 117 – 183	≈ 273 thousand km²
AD 184 – 196	≈ 535 thousand km²
AD 197 – 223	≈ 695 thousand km²
AD 306 – 386	≈ 695 thousand km²
AD 387 – 401	≈ 598 thousand km²
AD 402 – 450	≈ 598 thousand km²
AD 451 – 468	≈ 598 thousand km²
AD 469 – 475	≈ 598 thousand km²
AD 476 – 554	≈ 438 thousand km²
AD 555 – 560	≈ 437 thousand km²
AD 561 – 591	≈ 533 thousand km²
AD 592 – 601	≈ 533 thousand km²

Outline at its largest extent

Outline of the territory in AD 306 – 386 (map drawing). Neighbouring countries are not drawn.

Area and rank by frame

For each frame in which borders change: this country’s territory and its rank by area among the countries that have territory in that frame.

Frame	Area	Rank
AD 117	≈ 273 thousand km²	9 of 36
AD 127	≈ 273 thousand km²	9 of 39
AD 154	≈ 273 thousand km²	9 of 41
AD 161	≈ 273 thousand km²	9 of 40
AD 165	≈ 273 thousand km²	9 of 42
AD 184	≈ 535 thousand km²	7 of 41
AD 197	≈ 695 thousand km²	7 of 42
AD 207	≈ 695 thousand km²	8 of 44
AD 215	≈ 695 thousand km²	8 of 44
AD 306	≈ 695 thousand km²	6 of 43
AD 308	≈ 695 thousand km²	6 of 43
AD 311	≈ 695 thousand km²	6 of 43
AD 313	≈ 695 thousand km²	6 of 43
AD 324	≈ 695 thousand km²	6 of 45
AD 337	≈ 695 thousand km²	6 of 47
AD 338	≈ 695 thousand km²	6 of 47
AD 347	≈ 695 thousand km²	6 of 46
AD 353	≈ 695 thousand km²	7 of 49
AD 358	≈ 695 thousand km²	6 of 50
AD 367	≈ 695 thousand km²	6 of 51
AD 371	≈ 695 thousand km²	6 of 48
AD 373	≈ 695 thousand km²	7 of 47
AD 378	≈ 695 thousand km²	7 of 45
AD 383	≈ 695 thousand km²	7 of 44
AD 387	≈ 598 thousand km²	6 of 53
AD 390	≈ 598 thousand km²	6 of 53
AD 392	≈ 598 thousand km²	6 of 52
AD 394	≈ 598 thousand km²	6 of 50
AD 395	≈ 598 thousand km²	7 of 51
AD 396	≈ 598 thousand km²	7 of 51
AD 397	≈ 598 thousand km²	7 of 53
AD 402	≈ 598 thousand km²	9 of 54
AD 407	≈ 598 thousand km²	9 of 55
AD 410	≈ 598 thousand km²	9 of 54
AD 414	≈ 598 thousand km²	9 of 56
AD 417	≈ 598 thousand km²	9 of 55
AD 426	≈ 598 thousand km²	9 of 55
AD 439	≈ 598 thousand km²	10 of 50
AD 441	≈ 598 thousand km²	10 of 50
AD 443	≈ 598 thousand km²	9 of 51
AD 451	≈ 598 thousand km²	11 of 50
AD 452	≈ 598 thousand km²	11 of 50
AD 455	≈ 598 thousand km²	11 of 52
AD 458	≈ 598 thousand km²	11 of 52
AD 459	≈ 598 thousand km²	11 of 52
AD 462	≈ 598 thousand km²	11 of 54
AD 469	≈ 598 thousand km²	10 of 55
AD 476	≈ 438 thousand km²	11 of 57
AD 480	≈ 438 thousand km²	11 of 57
AD 490	≈ 438 thousand km²	11 of 55
AD 500	≈ 438 thousand km²	12 of 54
AD 510	≈ 438 thousand km²	13 of 53
AD 523	≈ 438 thousand km²	13 of 54
AD 534	≈ 438 thousand km²	14 of 56
AD 536	≈ 438 thousand km²	14 of 56
AD 540	≈ 438 thousand km²	13 of 64
AD 546	≈ 438 thousand km²	13 of 64
AD 555	≈ 437 thousand km²	11 of 67
AD 561	≈ 533 thousand km²	10 of 68
AD 567	≈ 533 thousand km²	10 of 68
AD 569	≈ 533 thousand km²	10 of 68
AD 577	≈ 533 thousand km²	9 of 70
AD 587	≈ 533 thousand km²	10 of 67
AD 592	≈ 533 thousand km²	9 of 70

Its highest rank was in AD 306: number 43 of 6.

Neighbouring countries

In order of the number of frames in which they share a border (a parent state, its colonies and other names of the same country are counted as one group).

Tuyuhun — 55 frames
Wusun — 35 frames
Rouran Khaganate — 26 frames
Hephthalites — 25 frames
Kidarites — 14 frames
Xianbei — 9 frames
Kushan Empire — 9 frames
Northern Wei — 9 frames
Kushano-Sasanian Kingdom — 9 frames
Former Liang — 9 frames
Han dynasty — 8 frames
Northern Liang — 8 frames
Xionites — 7 frames
Later Liang (Sixteen Kingdoms) — 6 frames
First Turkic Khaganate — 5 frames
Jin dynasty (266–420) — 4 frames
Göktürks — 2 frames
Former Qin — 2 frames
Cao Cao — 1 frames
Western Liang (Sixteen Kingdoms) — 1 frames

Territory exchanged with

Computed from changes in territory between frames (only changes of about 20,000 km² or more are counted; these are not actual routes of advance). Top 5 by area.

Frame		Other country	Area
AD 602	lost	Göktürks	≈ 533 thousand km²
AD 184	gained	Kushan Empire	≈ 261 thousand km²
AD 476	lost	Tuyuhun	≈ 161 thousand km²
AD 197	gained	Han dynasty	≈ 160 thousand km²
AD 561	gained	Hephthalites	≈ 96 thousand km²

Wikipedia summary

The Protectorate of the Western Regions (simplified Chinese: 西域都护府; traditional Chinese: 西域都護府; pinyin: Xīyù Dūhù Fǔ; Wade–Giles: Hsi1-yü4 Tu1-hu4 Fu3) was an imperial administration (a protectorate) situated in the Western Regions administered by Han dynasty China and its successors on and off from 59 or 60 BCE until the end of the Sixteen Kingdoms period in 439 AD.

Wikipedia (English) “Protectorate of the Western Regions”, introduction (first sentences) · text under CC BY-SA 4.0 · read more on Wikipedia

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