Terrain
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Every region on the map carries one terrain tag. Terrain decides which of the mod's competing land-use chains you may build (farms, irrigated farming, rainfed farming, the four pastoralism chains, qanats, marsh reclamation), and several of them carry a standing penalty.
| Terrain | Regions | Builds | Blocks | Effects | Units | Terrain | Regions | Builds | Blocks | Effects | Units |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Desert | 57 | 9 | 9 | 5 | — | Floodplains delta | 38 | 5 | 5 | — | — |
| Forest | 43 | 13 | 10 | 1 | — | Grassland | 46 | 8 | 5 | — | — |
| Hills | 75 | 5 | 8 | 5 | — | Karst terrain | 13 | 4 | 12 | 1 | — |
| Mountain valley | 101 | 5 | 6 | 5 | — | Mountains | 46 | 4 | 14 | 9 | — |
| Plateau | 43 | 5 | 6 | — | — | River valley | 52 | 5 | 5 | — | — |
| Small islands and rocky coast | 19 | 5 | 10 | — | — | Steppe | 33 | 4 | 11 | 1 | — |
| Wetlands | 26 | 13 | 10 | 6 | — |
Desert
On 57 regions.
- Lets you build: 9 building levels: Farms OLD, Farms+1, Farms+2, Farms+3, Farms+4, Subterranean Aquaducts (Crops), Nomad Communal Herding (Husbandry), Water Covenants (Husbandry), Breeding Stock Exchanges (Husbandry)
- Blocks: 9 building levels: Large Colony, Canal Network (Crops), Irrigation Aqueducts (Crops), Irrigated Great Estates (Crops), Land Clearance (Crops), Contour Furrows (Crops), Runoff Water Collection (Crops), Crop Rotation (Crops), Great Estates (Crops)
- Numeric effects where it is present: public order (law) -4 (Region Information Scroll); military construction time -20% (Region Information Scroll); religious construction time -20% (Region Information Scroll); defensive construction time -20% (Region Information Scroll); other construction time -20% (Region Information Scroll)
Regions with this terrain (57)
Aidaia · Ammonia · Amyrgia · Anaouon · Anatolike Omanitis · Aouranitis · Apasiakaia · Arabike Aigyptos · Attasia · Auseia · Azania · Boreia Minaia · Boreia Trogodytike · Chaldaia · Chatriaia · Chattenia · Chaurania · Deires · Dodekaschoinos · Drangiane · Entos Smyrnophoros · Epi Theron · Epichos · Gaetulia · Gaetulia Septentrionalis · Garamantia · Gedrosia · Gerrhaia · Gusan · Hesperos Arabia · Iobaritaia · Kamuk · Kasiane · Kassanitis · Katharrheia · Lechienia · Libya · Mosyllia · Mpraysnrarqak · Noubaia · Omanitis · Ottorochora · Palmyrene · Parnia · Parthia · Pedeme · Pelousiake · Phazania · Qarnawu · Rhaabenia · Sarakenia · Syrtis · Taokene · Triakontaschoinos · Trogodytike · Tsendzot · Xandia
Grassland
On 46 regions.
- Lets you build: 8 building levels: Open Field Pasturing (Husbandry), Enclosures (Husbandry), Breeding Farms (Husbandry), Great Droveways (Husbandry), Livestock Estates (Husbandry), Nomad Communal Herding (Husbandry), Water Covenants (Husbandry), Breeding Stock Exchanges (Husbandry)
- Blocks: 5 building levels: Farms OLD, Farms+1, Farms+2, Farms+3, Farms+4
Regions with this terrain (46)
Ader Lepqi · Adrumet · Ager Gallicus · Ambiana · Anartia · Apulia · Aspis · Barke · Biturigia · Boiotia · Bosporos · Brenaia · Calabria · Ceiagisia · Celticia · Cenomania-Aulercia · Cheruscia · Cimbria · Cornovia · Daunia · Durotrigia · Eblania · Elis · Emesene · Gautia · Gazaia · Georgike Skythia · Hasta · Hillevionia · Hydaspes · Ivernia · Kallatisia · Karaly · Kaspeiraia · Khalab · Kimmerikos Bosporos · Kyrenaike · Liksho · Magna Graecia · Mauretania Meridionalis · Olbiana · Suessetania · Tsatsene · Vaccaea · Woyxat · Zur
Karst terrain
On 13 regions.
- Lets you build: 4 building levels: Slope Pasturing (Husbandry), Highland Pasturing (Husbandry), Transhumance (Husbandry), Great Transhumance Roads (Husbandry)
- Blocks: 12 building levels: Farms OLD, Farms+1, Farms+2, Farms+3, Farms+4, Basin Irrigation (Crops), Canal Network (Crops), Irrigation Aqueducts (Crops), Irrigated Great Estates (Crops), Runoff Water Collection (Crops), Crop Rotation (Crops), Great Estates (Crops)
- Numeric effects where it is present: public order (law) -1 (Region Information Scroll)
Mountain valley
On 101 regions.
- Lets you build: 5 building levels: Subterranean Aquaducts (Crops), Slope Pasturing (Husbandry), Highland Pasturing (Husbandry), Transhumance (Husbandry), Great Transhumance Roads (Husbandry)
- Blocks: 6 building levels: Farms OLD, Farms+1, Farms+2, Farms+3, Farms+4, Irrigated Great Estates (Crops)
- Numeric effects where it is present: public order (law) -1 (Region Information Scroll); public order (law) +5 (Waystations and Garrisons); public order (law) +7 (Permanent Military Garrisons)
- Numeric effects it withholds (granted only where it is absent): public order (law) +4 (Waystations and Garrisons); public order (law) +6 (Permanent Military Garrisons)
Regions with this terrain (101)
Adouli · Agni · Albania · Anatolike Baktriane · Anatolike Sogdiane · Arbelitis · Ariane · Arvernia · Assakenia · Asturia · Axoumitis · Baliares Maiores · Bastetania · Bastetania Occidentalis · Bebaxal · Bessike · Bithynia · Bracarensia · Bruttium · Buridavensia · Calpe · Carnia · Carpiania · Cenomania · Chaonia · Damashq · Damnonia · Darapsia · Delmatia · Denthelentike · Edetania · Edonis · Euboia · Eurymedoneia · Gandaritis · Hercuniatia · Hesperos Ariane · Hyrkania · Iaxartes · Ilercavonia · Ilergetia · Iliensia · Kadousia · Kappadokike Kilikia · Kaspiane · Kolchis · Kommagene · Kydoniatis · Lakonia · Legaia · Libanophoria · Licatia · Lucania · Lusitania · Magnesia · Maidia · Malaka · Massyas · Mauretania Septentrionalis · Megale Armenia · Melitene · Messenia · Minoa · Nagran · Naissitania · Noricum · Notia Bithynia · Odrysia · Ordovicia · Oreitaia · Oxos · Paionia · Pamphylia · Paphia · Paphlagonia · Parthenope · Pasargadaia · Pentria · Phrygia · Pontos · Poseidonia · Qudsdo · Raqemo · Rhagiane · Rhegion · Sabaia · Salamina · Salda · Salone · Sargetiaea · Sogdiane · Sophene · Sousiane · Taurinia · Teuriscia · Ting · Treria · Vettonia · Vocontia · Zidun · Ziz
River valley
On 52 regions.
- Lets you build: 5 building levels: Open Field Pasturing (Husbandry), Enclosures (Husbandry), Breeding Farms (Husbandry), Great Droveways (Husbandry), Livestock Estates (Husbandry)
- Blocks: 5 building levels: Farms OLD, Farms+1, Farms+2, Farms+3, Farms+4
Regions with this terrain (52)
Allobrogia · Amantinia · Anatolike Amyrgia · Anatolike Chorasmene · Andizetia · Apamene · Apolloniatis · Baktriane · Bastarnia Vetus · Beronia · Boiaea · Boreia Hyrkania · Caeracatia · Catuvellaunia · Chaucia Minor · Corieltauvia · Dekapolis · Emathia · Etruria · Eumolpia · Euonymitaia · Heroopolites Nomos · Hieratikos Pontos · Hipparia · Insubria · Ionia · Labeataia · Latium · Lusonia · Lydia · Margiane · Mauretania · Napa · Nikephoreia · Noricum Septentrionale · Ombites Nomos · Pandoouia · Pictonia · Saramene · Savia · Sciria · Senonia · Sirtibis · Skordiskia · Syria · Tauriscia · Tectosagia · Tencteria Vetus · Thessalia · Tingene · Turdetania Septentrionalis · Ubia Vetus
Small islands and rocky coast
On 19 regions.
- Lets you build: 5 building levels: Open Field Pasturing (Husbandry), Enclosures (Husbandry), Breeding Farms (Husbandry), Great Droveways (Husbandry), Livestock Estates (Husbandry)
- Blocks: 10 building levels: Farms OLD, Farms+1, Farms+2, Farms+3, Farms+4, Canal Network (Crops), Irrigation Aqueducts (Crops), Irrigated Great Estates (Crops), Crop Rotation (Crops), Great Estates (Crops)
Regions with this terrain (19)
Arktonnesos · Arwad · Ay-Bushum · Chios · Cornavia · Dytike Aigyptos · Epetia-Salonitis · Issa · Itania · Kyklades · Lesbos · Liburnia · Maleth · Olbiana-Sardinia · Oponis · Rhodos · Rush Adir · Samos · Tylos
Wetlands
On 26 regions.
- Lets you build: 13 building levels: Farms OLD, Farms+1, Farms+2, Farms+3, Farms+4, Marsh Drainage Channels (Crops), Reclamation Embankments (Crops), Drainage Pumps (Crops), River Diversion Dyke (Crops), Reclaimed land Estates (Crops), Reedland Pasturing (Adaptive husbandry), Seasonal Pasture Rotation (Adaptive husbandry), Managed Wetland Pastures (Adaptive husbandry)
- Blocks: 10 building levels: Irrigation Ditches (Crops), Basin Irrigation (Crops), Canal Network (Crops), Irrigation Aqueducts (Crops), Irrigated Great Estates (Crops), Land Clearance (Crops), Contour Furrows (Crops), Runoff Water Collection (Crops), Crop Rotation (Crops), Great Estates (Crops)
- Numeric effects where it is present: population growth -2 (Region Information Scroll); public order (happiness) -2 (Region Information Scroll); military construction time -20% (Region Information Scroll); religious construction time -20% (Region Information Scroll); defensive construction time -20% (Region Information Scroll); other construction time -20% (Region Information Scroll)
Regions with this terrain (26)
Aestia · Agadir · Aquitania · Arsinoites Nomos · Atmonia Vetus · Bructeria · Charakene · Chaucia Maior · Ecenia · Emporitia · Frisia · Galindia · Halmyris · Helveconia · Hermunduria · Kalbia · Langobardia · Maiotis · Memphites Nomos · Menapia · Phasis · Sittakene · Tanaitis · Trinobantia · Tyrasia · Varinia
Floodplains delta
On 38 regions.
- Lets you build: 5 building levels: Open Field Pasturing (Husbandry), Enclosures (Husbandry), Breeding Farms (Husbandry), Great Droveways (Husbandry), Livestock Estates (Husbandry)
- Blocks: 5 building levels: Farms OLD, Farms+1, Farms+2, Farms+3, Farms+4
Regions with this terrain (38)
Agalassia · Arecomicia · Arsa · Assyria · Babylonia · Bellia · Bousirites Nomos · Campania · Chorasmene · Eraviscia · Hermopolites Nomos · Indos · Kilikia Pedias · Maiandros · Mallia · Mardyenia · Mareotis · Medwi · Menelaites Nomos · Mesopotamia · Mousikania · Nile Delta · Orchoe · Oxyrhynchites Nomos · Parisia · Patalene · Pathyrites Nomos · Portikania · Qart Hadasht · Saguntia · Salluvia · Sedetania · Sogdia-Indos · Thinites Nomos · Trinakria · Turdetania · Venetia · Xatiq
Forest
On 43 regions.
- Lets you build: 13 building levels: Farms OLD, Farms+1, Farms+2, Farms+3, Farms+4, Slash and Burn (Crops), Assart Clearings (Crops), Rotational Grove Fields (Crops), Lowland Deforestation (Crops), Reclaimed Woodland Estates (Crops), Mast Pasturing (Adaptive husbandry), Forest Gardening (Adaptive husbandry), Managed Woodland Pastures (Adaptive husbandry)
- Blocks: 10 building levels: Irrigation Ditches (Crops), Basin Irrigation (Crops), Canal Network (Crops), Irrigation Aqueducts (Crops), Irrigated Great Estates (Crops), Land Clearance (Crops), Contour Furrows (Crops), Runoff Water Collection (Crops), Crop Rotation (Crops), Great Estates (Crops)
- Numeric effects where it is present: public order (law) -1 (Region Information Scroll)
Regions with this terrain (43)
Albocensia · Ambronia · Artabria · Astia · Audoumbaria · Avionia · Boihaemum Occidentale · Brigantia · Buria · Cadurcia · Cantabria · Carnutia · Chattia · Coisstobocia · Dobunnia · Eburonia · Faliscia · Finnia · Haria · Helisia · Iapodia · Kathaia · Kounindia · Lingonia · Magnatia · Manimia · Marcomannia Vetus · Mattiaca · Mediomatricia · Naharvalia · Nervia · Neuria · Remia · Sassinia · Semnonia · Sirakene · Sugambria · Suionia · Turdulorum Oppida · Venedia · Venetia-Aremorica · Vindelicia · Volcaea
Hills
On 75 regions.
- Lets you build: 5 building levels: Subterranean Aquaducts (Crops), Slope Pasturing (Husbandry), Highland Pasturing (Husbandry), Transhumance (Husbandry), Great Transhumance Roads (Husbandry)
- Blocks: 8 building levels: Farms OLD, Farms+1, Farms+2, Farms+3, Farms+4, Irrigation Aqueducts (Crops), Irrigated Great Estates (Crops), Great Estates (Crops)
- Numeric effects where it is present: public order (law) -1 (Region Information Scroll); public order (law) +5 (Waystations and Garrisons); public order (law) +7 (Permanent Military Garrisons)
- Numeric effects it withholds (granted only where it is absent): public order (law) +4 (Waystations and Garrisons); public order (law) +6 (Permanent Military Garrisons)
Regions with this terrain (75)
Adramitia · Aeduia · Aitolia · Akragas · Ambrakikos Kolpos · Anatolike Homeritis · Ansamenia · Antheia · Arevacia · Arevacia Septentrionalis · Argolis · Aromaton Akroterion · Attike · Ay-Khol · Bastetania Maritima · Boihaemum · Cantiacia · Cessetania · Conia · Contestania · Contestania Meridionalis · Cotinia · Demetaea · Dumnonia · Elymia · Elysicea · Epikrateia · Gylakeia · Helvetia Vetus · Idoumaia · Ingaunia · Ioudaia · Kabylia · Kaikia · Kardia · Karia · Kattabaneia · Kianos Kolpos · Korinthia · Kroton · Kyrnos · Lemovicia · Mandubia · Mastienia · Mikra Chersonesos · Mygdonia · Mygdonia-Syria · Mysia · Notia Karmania · Otadinia · Oxybia · Phanagoreion · Picenum · Propontis · Quadia Vetus · Reginia · Sabaike Aithiopia · Samnium · Segobrigia · Shigan · Sinopeia · Synnadia · Taexalia · Tagia · Thamoudaia · Tobgaxag · Treveria · Umbria · Usipetia Vetus · Vasconia · Velzna · Venellia · Volcaea Septentrionalis · Xupon · Yathrib
Mountains
On 46 regions.
- Lets you build: 4 building levels: Slope Pasturing (Husbandry), Highland Pasturing (Husbandry), Transhumance (Husbandry), Great Transhumance Roads (Husbandry)
- Blocks: 14 building levels: Large Colony, Farms OLD, Farms+1, Farms+2, Farms+3, Farms+4, Basin Irrigation (Crops), Canal Network (Crops), Irrigation Aqueducts (Crops), Irrigated Great Estates (Crops), Contour Furrows (Crops), Runoff Water Collection (Crops), Crop Rotation (Crops), Great Estates (Crops)
- Numeric effects where it is present: public order (law) -4 (Region Information Scroll); military construction time -20% (Region Information Scroll); religious construction time -20% (Region Information Scroll); defensive construction time -20% (Region Information Scroll); other construction time -20% (Region Information Scroll); public order (law) +5 (Waystations and Garrisons); public order (law) +7 (Permanent Military Garrisons)
- Numeric effects it withholds (granted only where it is absent): public order (law) +4 (Waystations and Garrisons); public order (law) +6 (Permanent Military Garrisons)
Regions with this terrain (46)
Achaia · Ailanitos Kolpos · Amastris · Apuania · Arachosia · Arkadia · Auzica · Breunia · Caledonia · Carnonacaea · Chalonitis · Chorzene · Corsica · Daesitiatia · Dardania · Eoritia · Genuatea · Gordyene · Hekatompyle · Hellenike Makronia · Hellenike Mariandynia · Heniochia · Homeritis · Kapisene · Kataonia · Kilikia Tracheia · Kyreschata · Lemannus Inferior · Lepontia · Lykia · Mamertina · Matiane · Mikra Armenia · Mossynoikia · Orestis · Osia · Paelignia · Paropamisadai · Pharanitaia · Pimolisene · Pisidia · Rhaetia · Rugia · Salassia · Soanaia · Vennonia
Plateau
On 43 regions.
- Lets you build: 5 building levels: Subterranean Aquaducts (Crops), Slope Pasturing (Husbandry), Highland Pasturing (Husbandry), Transhumance (Husbandry), Great Transhumance Roads (Husbandry)
- Blocks: 6 building levels: Farms OLD, Farms+1, Farms+2, Farms+3, Farms+4, Irrigated Great Estates (Crops)
Regions with this terrain (43)
Autariataia · Basoropeda · Carpetania · Garsaouritis · Getaia · Helmantike · Iberia · Kambysene · Kappadokia · Kappadoxia · Karmania · Kibyratis · Kirtan · Lacetania · Lychnitis · Lykaonia · Madabitis · Media · Megale Phrygia · Napocaea · Olcadia · Oretania · Oretania Meridionalis · Osismia · Paraitakene · Pedias Atropatene · Persia · Rabbat Amman · Sachalites Kolpos · Sequania · Sequania Meridionalis · Shamerayin · Sikelia · Skythenia · Ssabwat · Taochia · Taronitis · Tektosagia · Tracheia Atropatene · Triballia · Turdulia · Vaccaea Occidentalis · Zama Meizon
Steppe
On 33 regions.
- Lets you build: 4 building levels: Subterranean Aquaducts (Crops), Nomad Communal Herding (Husbandry), Water Covenants (Husbandry), Breeding Stock Exchanges (Husbandry)
- Blocks: 11 building levels: Farms OLD, Farms+1, Farms+2, Farms+3, Farms+4, Canal Network (Crops), Irrigation Aqueducts (Crops), Irrigated Great Estates (Crops), Runoff Water Collection (Crops), Crop Rotation (Crops), Great Estates (Crops)
- Numeric effects where it is present: public order (law) -2 (Region Information Scroll)
Regions with this terrain (33)
Achasa · Ankobaritis · Ano Aorsia · Aorsia · Apauarktikene · Basilike Skythia · Blemmyia · Borysthenes · Elisaria · Elymais · Euesperidai · Isondaia · Malaotis · Mapharitis · Massagetaia · Megabaria · Megale Chersonesos · Nisaia · Nomadike Skythia · Notia Basilike Skythia · Notia Trogodytike · Omana Kolpos · Osrhoene · Qudsrilqak · Sakaia · Sakaraulia · Sakasene · Sauromataia · Snergaks · Syrastrene · Tenessis · Thapsos · Zabrutuxun