區域（region）是遊戲中最高級別的地理組織，由 省份 組構成。
區域機制
Each region can be administered by a 
governor, who gives various bonuses or maluses to all owned provinces and territories in the region based on their traits and attributes. Additionally, regions are the fundamental unit by which a country's 
levies and 
legions are raised and organized. Each region in a country has a certain army 
strength based on its non-slave integrated culture population, which be either raised as a levy under the command of the region's governor or recruited to form part of a legion based in that region.
首都區域
The region containing a nation's capital city is the nation's capital region. The capital region is always governed by the nation's 
ruler, with the effects of his/her attributes and traits applied to all provinces and territories in the capital region as if the ruler was a governor.
Every state/territory in the capital region gets the following modifiers:
+0.05 Local Provincial Loyalty
Note that this modifier stacks with the modifiers for the capital province and territory.
As the capital region does not have a governor who takes a portion of the income, is more loyal than other regions of the state, and helps the ruler with their 
power base, full control is recommended before expansion elsewhere.
However, during a 
civil war, the territories where a rebelling character has 
holdings (even those within the capital region) will always join the rebels.
區域列表
| Region | Provinces | ID |
|---|---|---|
| 阿非利加 | Byssatis, 迦太基（Carthago）, Emporia, Maxyesia, Musulamia, Thabracania, Zeugitana | africa_region |
| 阿爾巴尼亞 | Arran, Artshak, 高加索阿爾巴尼亞（Caucasian Albania）, Kahetia, Paytankert, Sarmatia Hyrcania, Scythia Transmontem | albania_region |
| 阿波蘭多 | Anupa, Aparanta, Asika, Kuntala, Mulaka, North Sahyadri, South Sahyadri, Vindhya | aparanta_region |
| 阿基塔尼亞 | Aquitania, Auscia, Biggeronia, Celtica, Lemovicia, Nitiobrogia, Pictonia, Santonia | aquitaine_region |
| 阿拉伯 | Arabia Ad Sinus, Arabia Maritimae, Arabia Relicta, Dedan, Iathrippa, Taifa | arabia_region |
| 阿拉伯菲利克斯 | Arabia Felix Centralis, Arabia Felix Occidentalis, Arabia Felix Orientalis, Hadhramut Occidentalis, Hadhramut Orientalis, Qataba, Saba | arabia_felix_region |
| 艾爾亞奈 | Arachosia, Arcticene, Aria, Carmania, Drangiana, Pactya, Sagartia | ariana_region |
| 亞美尼亞 | Armenia Superioris, Ayrarat, Parsatunik, Parskahayk, Soducene, Syracene, Syunik, Tarawn, Vaspurakan | armenia_region |
| 阿莫里凱 | Armorica, Carnutia, Eburovicia, Namnetia, Osisimia, Turonia, Venellia | armorica_region |
| 亞細亞 | Aeolis, 下卡里亞（Caria Inferioris）, 上卡里亞（Caria Superioris）, 愛奧尼亞（Ionia）, 呂底亞（Lydia）, Mysia Inferioris, Mysia Superioris, Sporades | asia_region |
| 亞述 | Adiabene, 亞述（Assyria）, Commagene, Corduene, 美索不達米亞（Mesopotamia）, Osroene, Sophene | assyria_region |
| 阿槃提 | Anartta, Avanti, Dahala, Dasarna, Madhyamika, Maru, Matsya, Shurasena | avanti_region |
| 巴克特里亞納 | 巴克特里亞（Bactria）, Candara, Margiana, 奧克蘇斯（Oxiana）, Paropamisadae, Sattagydia, 外奧克蘇斯（Transoxus） | bactriana_region |
| Baetica | Baetica Cordubensis, Baetica Gaditanus, Baetica Hispalensis, Bastetania, Couneia, Malacitia, Oretania, Turdetania Occidentalis, Turdulia Orientalis | baetica_region |
| Belgica | Bellovacia, Eburonia, Morinia, Nervia, Suaeuconia, Treveria, Treveria Salutaris, Veliocassia | belgica_region |
| 比提尼亞 | 下比提尼亞（Bithynia Inferioris）, Bithynia Inferioris, 上比提尼亞（Bithynia Superioris）, Mariandynia, Paphlagonia Inferioris, Paphlagonia Superioris | bithynia_region |
| Boiohaemum | Baluconia, Boioa, Buria, Hermunduria, Marcomannia, Naharvalia, Naristia, Vindelicia | bohemia_area |
| 不列顛尼亞 | Brigantia, Cantiacia, Coritania, Cornovia, Demetia, Dobunnia, Dumnonia, Durotrigia, Icenia, Ordovicia | britain_region |
| 喀里多尼亞 | 喀里多尼亞（Caledonia）, Hibernia Meridionalis, Hibernia Occidentalis, Hibernia Orientalis, Hibernia Septentrionalis, Taexalia, Votadinia | caledonia_region |
| Cappadocia Pontica | Armenia Maioris, Armenia Minoris, Iris Inferioris, Iris Superioris, Paryadres | cappadocia_pontica_region |
| Cappadocia Taurica | Cappadocia, Cataonia, Melitene, Saravene, Tyanitis | cappadocia_region |
| Celtica | Ambarria, Biturigia, Cubia, Haeduia, Parisia, Senonia, Sequania | central_gaul_region |
| 乞里奇亞 | Cilicia Pedias, Cilicia Trachea, 塞浦路斯（Cyprus）, Lycia, Milyas, Pamphylia, Pisidia | cilicia_region |
| 山南高盧 | Aemilla, Cenomannia, Insubria, Liguria, Olana, Transpadana, Vallis Arni, Venetia | cisalpine_gaul_region |
| 克爾喀斯 | Abasgoi, Bekhyria, 高加索伊比利亞（Caucasian Iberia）, 克爾喀斯（Colchis）, Gugark, Suaneti, Tayk | colchis_region |
| Contestania | Balearides, Carpetania, Celtiberia Meridionalis, Contestania Meridionalis, Contestania Septentrionalis, Edetania, Lobetania, Mastiania | contestania_region |
| 昔蘭尼加 | Ammon, Barka, 昔蘭尼加（Cyrenaica）, 利比亞（Libya）, Marmarica, Syrtica, 的黎波里塔尼亞（Tripolitania） | cyrenaica_region |
| 達西亞 | Albocensia, Apulensis, Costobocia, Cotinia, Iazygia, Porolissensis, Potulatensia | dacia_region |
| Dravida | Koda, Malayas, North Tambapamni, North Tondainadu, Pandiya, South Tambapamni, South Tondainadu, Sriparvata | dravida_region |
| Gallaecia | Asturia Meridionalis, Asturia Septentrionalis, Callaecia Meridionalis, Callaecia Septentrionalis, Cantabria, Vaccaeia Meridionalis, Vaccaeia Septentrionalis | gallaecia_region |
| Gandhara | Gandhara, Glausae, Kasmira, Madra, Panchanada, Sibae, Trigata | gandhara_region |
| Gedrosia | East Omana, Gedrosia, Gerrha, Parecania, Patalene, Rudiana, West Omana | gedrosia_region |
| 日耳曼尼亞 | Bructeria, Chamavia, Chasuaria, Chaucia, Frisia, Langobardia, Pharodenia, Semnonia, Sicambria | germania_region |
| 上日耳曼尼亞 | Chattia, Latobrigia, Leucia, Mediomatricia, Tribocia, Vangionia | germania_superior_region |
| 希臘 | 亞該亞（Achaea）, 埃托利亞（Aetolia）, Arcadia, 阿提卡（Attica）, Boeotia, 克里特（Crete）, Cyclades, 伊庇魯斯（Epirus）, Euboea, 拉科尼（Laconia） | greece_region |
| 喜馬拉雅 | Gilgit, 北塔里木盆地（North Tarim Basin）, 帕米爾（Pamir）, 疏勒（Shule）, 南塔里木盆地（South Tarim Basin）, Suvarna Gotra, Zhangzhung | himalayan_region |
| 伊利里亞 | Cataria, 達爾馬提亞（Dalmatia）, Daorsia, Deuria, Histria, Illyria Graeca, Libernia | illyria_region |
| 意大利 | Ariminum, Aternum, 科西嘉（Corsica）, 十二城（Dodecapolis）, 拉丁（Latium）, Picenum, 南薩丁（Sardinia Australis）, 北薩丁（Sardinia Borealis）, 托斯西亞（Tuscia） | central_italy_region |
| Karnata | Keralaputa, North Mahismandala, North Satiyaputa, South Mahismandala, South Satiyaputa, Vanavasi | karnata_region |
| 下埃及 | 中三角洲（Central Delta）, 東三角洲（Eastern Delta）, Heptanomis, 孟菲斯（Memphis）, Parva, 西奈（Sinai）, 西三角洲（Western Delta） | lower_egypt_region |
| 盧西塔尼亞 | Aebocosia, Celticia Maoioris, Celticia Minoris, Lusitania Meridionalis, Lusitania Septentrionalis, Oppidania, Turdulia Occidentalis, Vettonia Meridionalis, Vettonia Septentrionalis | lusitania_region |
| 馬其頓 | Chalkidiki, 達達尼亞（Dardania）, Dindaria, Emathia, Paeonia, Pelagonia, 色薩利（Thessaly） | macedonia_region |
| Madhyadesa | Ahicchatra, East Cedi, Kasi, Kosala, Kuru, Malla, Pancala, Sthanisvara, West Cedi | madhyadesa_region |
| 大希臘 | 阿普利亞（Apulia）, Bruttium, 坎帕尼亞（Campania）, Lucania, Sicania, 西西里（Siculia）, 敘拉古（Syracuse）, 塔蘭托（Tarentum） | magna_graecia_region |
| Maru | Abhiria, Inner Saurashtra, Kaccha, Outer Saurashtra, Oxydracae, Pardene, Sauvira | maru_region |
| 毛里塔尼亞 | Massaesylia, 毛里塔尼亞（Mauretania）, Metagonia, Rutubis, Tadla, Tingitania | mauretainia_region |
| Media | Amardioi, Choarene, Kadousioi, Kossioi, Media, Media Atropatene, Media Choromithrene, Media Magna, Paraetacene | media_region |
| 美索不達米亞 | Apolloniatis, Aramaea, 巴比倫尼亞（Babylonia）, 迦勒底（Chaldaea）, Characene, Garamaea, Sittacene, 蘇美爾（Sumer） | mesopotamia_region |
| 米西亞 | Getia, Malvensis, 米西亞（Moesia）, Picensia, 羅克索拉尼亞（Roxolania）, Saldensia, Scordiscia, Tricornensia | moesia_region |
| 努比亞 | Alana, Alut, 阿斯旺（Aswan）, 麥羅埃（Meroe）, 納帕塔（Napata）, 北努比亞（North Nubia）, 南努比亞（South Nubia） | nubia_region |
| 努米底亞 | Aurasius, Cirtania, Gaetulia, Iolia, Machuria, Massylia, Sitifensia, Zaba | numidia_region |
| 巴勒斯坦 | 佩特拉阿拉伯（Arabia Petrea）, Decapolis, 加利利（Galilee）, 猶太（Judea）, Peraea, 腓力士提亞（Philistia）, 撒瑪利亞（Samaria） | palestine_region |
| 潘諾尼亞 | Carnuntia, Hercuniatia, Latobicia, Pannonia Prima, Pannonia Secunda, Quadia, Valeria, Varciania | pannonia_region |
| 帕提亞 | Comisene, Hyrcania, Parnia, 帕提亞（Parthia）, Siracene, Tapuria, Traxiane | parthia_region |
| 波斯 | Mardiene, Media Felix, 波斯（Persis）, Susiana, Tabiene, Taocene, Utia | persis_region |
| 弗里吉亞 | Isauria, Lycaonia, Phrygia Maioris, Phrygia Minoris, Phrygia Parorea, Phrygia Ripensis, Phrygia Ulterioris | galatia_region |
| Pracya | Anga, Kamarupa, Kamata, Magadha, Pundra, Samatata, Vanga, Vrji | pracya_region |
| 蓬特 | 阿克蘇姆（Aksum）, Atbaras, Mosylon, Ptolemais Epithera, 蓬特（Punt）, Tana | punt_region |
| 雷蒂亞 | Alpes Carniae, Alpes Graiae, Alpes Raetiae, Breunia, 赫爾維提（Helvetia）, 諾里庫姆（Noricum）, Verbigenia | rhaetia_region |
| 亞細亞薩爾馬提亞 | 阿蘭尼亞（Alania）, 東阿蘭尼亞（Alania Orientalis）, Borysthenia Maioris, Confluenta, Danaia, Danaia Superioris, Mantessa | sarmatia_asiatica_region |
| 歐羅巴薩爾馬提亞 | Borysthenia, Clepia, Hypania, Hypania Minoris, 奧爾比亞（Olbia）, 薩爾馬提亞（Sarmatia）, 上薩爾馬提亞（Sarmatia Superioris）, Transborysthenia, Transhypania | sarmatia_europea_region |
| 斯堪迪亞 | 盎格利亞（Anglia）, 辛布里加（Cimbrica）, 東哥特（East Gothia）, Herulia, Scandia Insula, Ultima Thule, 西哥特（West Gothia） | scandinavia_region |
| 斯基泰 | Atara, Chorasmia, Dahaea, Darn, Hyrcania Superioris, Scythia Ad Pontem, 大斯基泰（Scythia Magna）, Scythia Ultima, Transhyrcania | scythia_region |
| Sogdiana | Chach, Chomaria, 費爾干納（Ferghana）, Jaxartia, Kyreschata, Sogdiana, 怛羅斯（Talas） | sogdiana_region |
| 敘利亞 | Apamene, Coele Syria, Cyrrhestica, 北腓尼基（North Phoenicia）, Palmyrene, 南腓尼基（South Phoenicia）, 敘利亞（Syria） | syria_region |
| Tarraconensis | Autrigonia, Celtiberia Centralis, Celtiberia Septentrionalis, Cessetania, Ilercavonia, Ilergetia, Indicetia, Vardulia, 瓦斯科尼亞（Vasconia） | tarraconensis_region |
| 陶里卡 | Borysthenia Minoris, Bosproranum, Maeotia, Maeotia Minores, Sattara, Sindica, Tanaissa, Taurica | taurica_region |
| 色雷斯 | Crobyzoia, 歐羅巴（Europa）, Haemimontus, Rhodope, （色雷斯）斯基泰（Scythia）, 色雷斯（Thracia）, Triballia | thrace_region |
| 吐蕃 | 珠穆朗瑪（Chomolangma）, Jangtang, 拉薩（Lhasa）, Sumpa, 藏（Tsang）, 雅礱（Yarlung） | tibet_region |
| 山外高盧 | Allobrogia, Alpes Cottiae, Alpes Maritimae, 阿維爾尼（Arvernia）, Narbonensis, Vocontia, Volcatia | transalpine_gaul_region |
| 上埃及 | 艾斯尤特（Asyut）, Farfara, Kharga, Khargana, Luxor, Myos Hormos, Troglodytica | upper_egypt_region |
| 維內蒂 | Chrononia, Elysia, Helveconia, Lugia, Marsignia, Rugia, Sciria, Turuntia, 下維內蒂（Venedia Inferior） | venedia_region |
| Vindhyaprstha | Andhra, Asmaka, Dakshina Kosala, Fanindrapura, Kalinga, Mahendragiri, Radha, Vidarbha | vindhyaprstha_region |
| Vistulia | Amadocia, Bassetia, Ciscarpathia, Ossioia, Subcarpathia, Vistulia, Vistulia Inferioris, Zargidava | vistulia_region |