Territorial change of Seleucid Empire

“Seleucid Empire” — appears in this map’s data from 318 BC to 64 BC. Its territory was largest in 301 BC – 292 BC, at ≈ 2.98 million km².

Territory by period

Period	Area
318 BC – 316 BC	≈ 117 thousand km²
307 BC – 302 BC	≈ 2.32 million km²
301 BC – 292 BC	≈ 2.98 million km²
291 BC – 284 BC	≈ 2.54 million km²
283 BC – 282 BC	≈ 2.54 million km²
281 BC – 280 BC	≈ 2.80 million km²
279 BC – 278 BC	≈ 2.69 million km²
277 BC – 265 BC	≈ 2.69 million km²
264 BC – 257 BC	≈ 2.68 million km²
256 BC – 248 BC	≈ 2.76 million km²
247 BC – 240 BC	≈ 2.27 million km²
239 BC – 226 BC	≈ 2.06 million km²
225 BC – 224 BC	≈ 2.03 million km²
223 BC – 219 BC	≈ 2.03 million km²
218 BC – 217 BC	≈ 2.09 million km²
216 BC – 213 BC	≈ 2.05 million km²
212 BC – 211 BC	≈ 2.05 million km²
210 BC – 209 BC	≈ 2.28 million km²
208 BC – 207 BC	≈ 2.28 million km²
206 BC – 204 BC	≈ 2.28 million km²
203 BC – 203 BC	≈ 2.27 million km²
202 BC – 198 BC	≈ 2.28 million km²
197 BC – 189 BC	≈ 2.37 million km²
188 BC – 171 BC	≈ 1.92 million km²
170 BC – 165 BC	≈ 2.45 million km²
164 BC – 145 BC	≈ 670 thousand km²
144 BC – 127 BC	≈ 491 thousand km²
126 BC – 111 BC	≈ 223 thousand km²
110 BC – 92 BC	≈ 92 thousand km²
91 BC – 78 BC	≈ 89 thousand km²
66 BC – 64 BC	≈ 78 thousand km²

Outline at its largest extent

Outline of the territory in 301 BC – 292 BC (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
318 BC	≈ 117 thousand km²	14 of 36
307 BC	≈ 2.32 million km²	1 of 37
301 BC	≈ 2.98 million km²	1 of 38
291 BC	≈ 2.54 million km²	2 of 40
284 BC	≈ 2.54 million km²	2 of 39
283 BC	≈ 2.54 million km²	2 of 39
281 BC	≈ 2.80 million km²	2 of 39
279 BC	≈ 2.69 million km²	2 of 43
277 BC	≈ 2.69 million km²	2 of 43
275 BC	≈ 2.69 million km²	2 of 43
272 BC	≈ 2.69 million km²	2 of 44
271 BC	≈ 2.69 million km²	2 of 45
264 BC	≈ 2.68 million km²	2 of 45
256 BC	≈ 2.76 million km²	2 of 44
247 BC	≈ 2.27 million km²	2 of 43
239 BC	≈ 2.06 million km²	2 of 45
230 BC	≈ 2.06 million km²	2 of 43
225 BC	≈ 2.03 million km²	1 of 43
223 BC	≈ 2.03 million km²	1 of 41
222 BC	≈ 2.03 million km²	1 of 39
218 BC	≈ 2.09 million km²	1 of 38
216 BC	≈ 2.05 million km²	1 of 38
212 BC	≈ 2.05 million km²	1 of 39
210 BC	≈ 2.28 million km²	1 of 38
208 BC	≈ 2.28 million km²	2 of 46
206 BC	≈ 2.28 million km²	2 of 56
203 BC	≈ 2.27 million km²	2 of 40
202 BC	≈ 2.28 million km²	2 of 39
197 BC	≈ 2.37 million km²	2 of 43
188 BC	≈ 1.92 million km²	3 of 44
170 BC	≈ 2.45 million km²	2 of 43
164 BC	≈ 670 thousand km²	7 of 40
144 BC	≈ 491 thousand km²	10 of 39
126 BC	≈ 223 thousand km²	16 of 37
110 BC	≈ 92 thousand km²	20 of 38
91 BC	≈ 89 thousand km²	20 of 39
87 BC	≈ 89 thousand km²	19 of 36
66 BC	≈ 78 thousand km²	23 of 35

Its highest rank was in 301 BC: number 38 of 1.

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).

Ptolemaic Kingdom — 31 frames
Atropatene — 30 frames
Kingdom of Armenia (antiquity) — 28 frames
Polis — 25 frames
Parthian Empire — 23 frames
Kingdom of Bithynia — 23 frames
Galatia — 22 frames
Kingdom of Pergamon — 22 frames
Kingdom of Sophene — 21 frames
Kingdom of Cappadocia — 19 frames
Greco-Bactrian Kingdom — 17 frames
Kingdom of Pontus — 15 frames
Maurya Empire — 13 frames
Nabataeans — 7 frames
Judea — 6 frames
Greek colonisation — 6 frames
Lysimachus — 4 frames
Antigonid dynasty — 3 frames
Macedonia (ancient kingdom) — 2 frames
Roman Republic — 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 21 by area.

Frame		Other country	Area
164 BC	lost	Parthian Empire	≈ 1.24 million km²
301 BC	gained	Macedonia (ancient kingdom)	≈ 649 thousand km²
164 BC	lost	Ptolemaic Kingdom	≈ 525 thousand km²
170 BC	gained	Ptolemaic Kingdom	≈ 415 thousand km²
281 BC	gained	Lysimachus	≈ 258 thousand km²
126 BC	lost	Parthian Empire	≈ 255 thousand km²
210 BC	gained	Kingdom of Armenia (antiquity)	≈ 224 thousand km²
144 BC	lost	Parthian Empire	≈ 178 thousand km²
188 BC	lost	Kingdom of Pergamon	≈ 135 thousand km²
110 BC	lost	Parthian Empire	≈ 130 thousand km²
315 BC	lost	Macedonia (ancient kingdom)	≈ 117 thousand km²
170 BC	gained	Ankhwennefer (pharaoh)	≈ 110 thousand km²
197 BC	gained	Ptolemaic Kingdom	≈ 91 thousand km²
63 BC	lost	Roman Republic	≈ 78 thousand km²
256 BC	gained	Ptolemaic Kingdom	≈ 77 thousand km²
77 BC	lost	Kingdom of Armenia (antiquity)	≈ 76 thousand km²
218 BC	gained	Ptolemaic Kingdom	≈ 59 thousand km²
188 BC	lost	Polis	≈ 52 thousand km²
216 BC	lost	Ptolemaic Kingdom	≈ 39 thousand km²
225 BC	lost	Kingdom of Pergamon	≈ 31 thousand km²
239 BC	lost	Ptolemaic Kingdom	≈ 20 thousand km²

Preceded and succeeded by

Succeeded by: Parthian Empire

Source: Wikidata (CC0)

Wikipedia summary

The Seleucid Empire ( sih-LEW-sid) was a Greek state in West Asia during the Hellenistic period.

Wikipedia (English) “Seleucid Empire”, introduction (first sentences) · text under CC BY-SA 4.0 · read more on Wikipedia

Show on the map — open the 301 BC frame