Territorial change of Khmer Empire

“Khmer Empire” — appears in this map’s data from AD 800 to 1867. Its territory was largest in AD 1206 – 1219, at ≈ 953 thousand km².

Territory by period

PeriodArea
AD 800 – 805≈ 5,340 km²
AD 806 – 874≈ 450 thousand km²
AD 875 – 1027≈ 398 thousand km²
AD 1028 – 1055≈ 541 thousand km²
AD 1056 – 1110≈ 398 thousand km²
AD 1111 – 1187≈ 398 thousand km²
AD 1188 – 1205≈ 830 thousand km²
AD 1206 – 1219≈ 953 thousand km²
AD 1220 – 1226≈ 830 thousand km²
AD 1227 – 1240≈ 830 thousand km²
AD 1241 – 1313≈ 516 thousand km²
AD 1314 – 1351≈ 516 thousand km²
AD 1352 – 1362≈ 516 thousand km²
AD 1363 – 1374≈ 304 thousand km²
AD 1375 – 1474≈ 240 thousand km²
AD 1475 – 1539≈ 287 thousand km²
AD 1540 – 1578≈ 274 thousand km²
AD 1579 – 1587≈ 274 thousand km²
AD 1588 – 1652≈ 274 thousand km²
AD 1653 – 1690≈ 274 thousand km²
AD 1691 – 1699≈ 274 thousand km²
AD 1700 – 1701≈ 185 thousand km²
AD 1702 – 1756≈ 185 thousand km²
AD 1757 – 1795≈ 185 thousand km²
AD 1796 – 1802≈ 115 thousand km²
AD 1803 – 1858≈ 115 thousand km²
AD 1859 – 1865≈ 115 thousand km²
AD 1866 – 1867≈ 115 thousand km²
AD 800AD 1867

Outline at its largest extent

Outline of the territory in AD 1206 – 1219 (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 (first 150 frames shown, 212 in total).

FrameAreaRank
AD 800≈ 5,340 km²70 of 77
AD 806≈ 450 thousand km²15 of 73
AD 814≈ 450 thousand km²16 of 76
AD 825≈ 450 thousand km²16 of 77
AD 830≈ 450 thousand km²16 of 77
AD 840≈ 450 thousand km²17 of 80
AD 850≈ 450 thousand km²16 of 86
AD 860≈ 450 thousand km²16 of 89
AD 866≈ 450 thousand km²15 of 95
AD 870≈ 450 thousand km²16 of 94
AD 875≈ 398 thousand km²23 of 97
AD 876≈ 398 thousand km²23 of 97
AD 878≈ 398 thousand km²23 of 100
AD 880≈ 398 thousand km²24 of 102
AD 882≈ 398 thousand km²22 of 101
AD 884≈ 398 thousand km²22 of 102
AD 886≈ 398 thousand km²22 of 104
AD 887≈ 398 thousand km²22 of 107
AD 888≈ 398 thousand km²22 of 108
AD 892≈ 398 thousand km²22 of 108
AD 896≈ 398 thousand km²23 of 109
AD 898≈ 398 thousand km²22 of 115
AD 899≈ 398 thousand km²22 of 117
AD 900≈ 398 thousand km²21 of 114
AD 911≈ 398 thousand km²21 of 123
AD 922≈ 398 thousand km²23 of 117
AD 926≈ 398 thousand km²21 of 112
AD 936≈ 398 thousand km²23 of 116
AD 947≈ 398 thousand km²22 of 117
AD 960≈ 398 thousand km²22 of 118
AD 961≈ 398 thousand km²22 of 119
AD 962≈ 398 thousand km²22 of 120
AD 970≈ 398 thousand km²19 of 115
AD 980≈ 398 thousand km²19 of 111
AD 990≈ 398 thousand km²20 of 126
AD 1000≈ 398 thousand km²19 of 126
AD 1003≈ 398 thousand km²20 of 125
AD 1010≈ 398 thousand km²19 of 130
AD 1015≈ 398 thousand km²19 of 141
AD 1018≈ 398 thousand km²19 of 138
AD 1028≈ 541 thousand km²14 of 130
AD 1034≈ 541 thousand km²15 of 129
AD 1040≈ 541 thousand km²15 of 136
AD 1046≈ 541 thousand km²15 of 136
AD 1056≈ 398 thousand km²19 of 146
AD 1066≈ 398 thousand km²21 of 138
AD 1072≈ 398 thousand km²21 of 138
AD 1085≈ 398 thousand km²21 of 137
AD 1094≈ 398 thousand km²21 of 135
AD 1099≈ 398 thousand km²22 of 139
AD 1111≈ 398 thousand km²21 of 140
AD 1126≈ 398 thousand km²22 of 138
AD 1139≈ 398 thousand km²21 of 140
AD 1147≈ 398 thousand km²21 of 148
AD 1152≈ 398 thousand km²21 of 140
AD 1169≈ 398 thousand km²21 of 137
AD 1177≈ 398 thousand km²21 of 136
AD 1188≈ 830 thousand km²12 of 134
AD 1192≈ 830 thousand km²12 of 132
AD 1202≈ 830 thousand km²11 of 135
AD 1206≈ 953 thousand km²11 of 149
AD 1210≈ 953 thousand km²11 of 146
AD 1216≈ 953 thousand km²9 of 143
AD 1220≈ 830 thousand km²10 of 143
AD 1227≈ 830 thousand km²10 of 139
AD 1236≈ 830 thousand km²9 of 137
AD 1241≈ 516 thousand km²9 of 130
AD 1250≈ 516 thousand km²7 of 118
AD 1260≈ 516 thousand km²7 of 123
AD 1270≈ 516 thousand km²7 of 123
AD 1272≈ 516 thousand km²7 of 121
AD 1279≈ 516 thousand km²6 of 122
AD 1285≈ 516 thousand km²6 of 128
AD 1294≈ 516 thousand km²9 of 145
AD 1305≈ 516 thousand km²9 of 152
AD 1314≈ 516 thousand km²10 of 151
AD 1326≈ 516 thousand km²10 of 144
AD 1333≈ 516 thousand km²11 of 145
AD 1344≈ 516 thousand km²9 of 148
AD 1352≈ 516 thousand km²10 of 139
AD 1356≈ 516 thousand km²10 of 139
AD 1363≈ 304 thousand km²29 of 147
AD 1375≈ 240 thousand km²35 of 154
AD 1385≈ 240 thousand km²34 of 154
AD 1392≈ 240 thousand km²34 of 154
AD 1395≈ 240 thousand km²31 of 149
AD 1402≈ 240 thousand km²29 of 141
AD 1407≈ 240 thousand km²30 of 141
AD 1415≈ 240 thousand km²31 of 136
AD 1422≈ 240 thousand km²31 of 132
AD 1429≈ 240 thousand km²32 of 130
AD 1431≈ 240 thousand km²33 of 130
AD 1440≈ 240 thousand km²31 of 129
AD 1450≈ 240 thousand km²32 of 127
AD 1453≈ 240 thousand km²34 of 130
AD 1459≈ 240 thousand km²33 of 132
AD 1463≈ 240 thousand km²34 of 132
AD 1468≈ 240 thousand km²36 of 140
AD 1475≈ 287 thousand km²31 of 137
AD 1482≈ 287 thousand km²33 of 131
AD 1487≈ 287 thousand km²33 of 129
AD 1492≈ 287 thousand km²33 of 129
AD 1497≈ 287 thousand km²34 of 130
AD 1502≈ 287 thousand km²33 of 129
AD 1507≈ 287 thousand km²34 of 125
AD 1512≈ 287 thousand km²33 of 124
AD 1516≈ 287 thousand km²32 of 123
AD 1519≈ 287 thousand km²30 of 123
AD 1521≈ 287 thousand km²30 of 119
AD 1526≈ 287 thousand km²32 of 121
AD 1529≈ 287 thousand km²33 of 124
AD 1534≈ 287 thousand km²32 of 125
AD 1540≈ 274 thousand km²32 of 122
AD 1547≈ 274 thousand km²34 of 121
AD 1552≈ 274 thousand km²34 of 119
AD 1556≈ 274 thousand km²33 of 117
AD 1564≈ 274 thousand km²33 of 116
AD 1572≈ 274 thousand km²32 of 110
AD 1579≈ 274 thousand km²31 of 101
AD 1582≈ 274 thousand km²31 of 99
AD 1588≈ 274 thousand km²31 of 100
AD 1595≈ 274 thousand km²31 of 99
AD 1600≈ 274 thousand km²29 of 97
AD 1602≈ 274 thousand km²30 of 98
AD 1609≈ 274 thousand km²33 of 100
AD 1612≈ 274 thousand km²33 of 105
AD 1619≈ 274 thousand km²33 of 107
AD 1622≈ 274 thousand km²34 of 107
AD 1626≈ 274 thousand km²34 of 109
AD 1629≈ 274 thousand km²33 of 109
AD 1632≈ 274 thousand km²34 of 109
AD 1636≈ 274 thousand km²35 of 110
AD 1640≈ 274 thousand km²34 of 114
AD 1642≈ 274 thousand km²36 of 115
AD 1645≈ 274 thousand km²34 of 115
AD 1648≈ 274 thousand km²34 of 117
AD 1653≈ 274 thousand km²34 of 115
AD 1659≈ 274 thousand km²36 of 114
AD 1662≈ 274 thousand km²36 of 116
AD 1670≈ 274 thousand km²35 of 117
AD 1673≈ 274 thousand km²36 of 117
AD 1677≈ 274 thousand km²36 of 116
AD 1683≈ 274 thousand km²33 of 117
AD 1687≈ 274 thousand km²32 of 113
AD 1691≈ 274 thousand km²32 of 111
AD 1696≈ 274 thousand km²31 of 108
AD 1700≈ 185 thousand km²35 of 107
AD 1702≈ 185 thousand km²34 of 109
AD 1706≈ 185 thousand km²36 of 114
AD 1709≈ 185 thousand km²35 of 120

Its highest rank was in AD 1279: number 122 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).

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 11 by area.

FrameOther countryArea
AD 806gainedChenla≈ 240 thousand km²
AD 806gainedChenla≈ 183 thousand km²
AD 1188gainedLavo Kingdom≈ 142 thousand km²
AD 1028gainedLavo Kingdom≈ 127 thousand km²
AD 1206gainedChampa≈ 124 thousand km²
AD 1868lostFrench Indochina≈ 115 thousand km²
AD 1188gainedHaripuñjaya≈ 88 thousand km²
AD 1796lostRattanakosin Kingdom (1782–1932)≈ 70 thousand km²
AD 1375lostAyutthaya Kingdom≈ 63 thousand km²
AD 875lostChampa≈ 53 thousand km²
AD 1475gainedChampa≈ 46 thousand km²

Wikipedia summary

The Khmer Empire was an empire in mainland Southeast Asia, centred on hydraulic cities in what is now northern Cambodia. Known as Kambuja (Old Khmer: កម្វុជ; Khmer: កម្ពុជ) by its inhabitants, it grew out of the former civilisation of Chenla and lasted from 802 to 1431 AD.

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

Show on the map — open the AD 1206 frame