Tehuacan--------------------------Neolithic Central America
----San Lorenzo(Olmec)----------------Copper Mesoamerica
--------Tres Zapotes(Olmec)---------------Bronze Mesoamerica
------------Tula(Toltec)-----------------------Iron Mesoamerica
----------------Tzintzuntzan(Tarascans)-----------Antiquity Mesoamerica
----------------Tenochtitlan(Aztec)----------------Antiquity Mesoamerica
------------Teotihuacan-----------------------Iron Mesoamerica
----------------El Tajin(Totonac)------------------Antiquity Mesoamerica
----------------Cholua----------------------------Antiquity Mesoamerica
--------Kaminaljuyu(Maya)-----------------Bronze Mesoamerica
------------San Jose Mogote(Zapotec)---------Iron Mesoamerica
----------------Tilantongo(Mixtec)-----------------Antiquity Mesoamerica
----------------Monte Alban(Zapotec)--------------Antiquity Mesoamerica
------------Tikal(Maya)------------------------Iron Mesoamerica
----------------Mayapan(Maya)--------------------Antiquity Mesoamerica
----------------Tayasal(Maya)---------------------Antiquity Mesoamerica
West Europe(The successful colonies of Rome and Celtic held areas)
------Northwest Europe
-----------Netherlands, Northern France(modern France later in game) and Britain
------Southwest Europe
-----------Iberia, Southern France
North Europe(The classic idea of the area of Barbarians against Rome)
------Northcentral Europe
-----------Scandinavia, Poland and Germany
------Northeast Europe
-----------North Russia(modern Russia later in game), Finland, Baltic States
South Europe(Classical idea of Rome and Greek civilization)
------SouthCentral Europe
-----------Italy, former Yugoslavia minus Macedonia, Albania
------Southeast Europe
----------Greece, Romania, Ukraine, Bulgaria, South Russia, Macedonia
Central Asia
-------North
------------Kazakhstan, Uzbekistan, Turkmenistan, Kyrgyzstan, Tajikistan
-------South
------------Iran, Afghanistan, Pakistan
South Asia
-------West
------------West India, Tibet, Nepal
-------East
------------East India, Bangladesh, Bhutan, Sri Lanka, maybe some of Indonesia
East Asia
-------North
------------Modern China minus Nei Mongol, Liaoning, Jilin, Heilongjiang, Tibet(Xizang)
-------South
------------Cambodia, Laos, Vietnam, Thailand, Malaysia. Philippines, maybe some of Indonesia
North Asia
------West
-----------Mongolia, Nei Mongol(China), West Siberia
------East
-----------Korea, Japan, Liaoning(China), Jilin(China), Heilongjiang(China), East Siberia
Central Asia
-------North
------------Scythians
-------South
------------Iran(or in the West called Persia)
South Asia(I need to change this somehow probably)
-------West(Aryan conquered areas)
------------Mauryan
-------East(Non Aryan conquered Aryan areas in the beginning)
------------Something like Vijayanagara Empire( South and East India)
East Asia
-------North
------------China
-------South
------------Khmer
North Asia
------West
-----------Mongolia
------East
-----------Korea and Japan
Middle East
------North---One civilization from this area and multiple city-states
-----------West
-----------East
------South---One civilization from this area and multiple city-states
-----------North
-----------South
----Copper--Humaitá(East South America)
--------Bronze--Umbu(Coastal)
------------Iron--Tupi-guarani(North)
------------Iron--Itararé(South)
--------Bronze--Ananatuba(Amazon)
------------Iron--Kuhikugu(Upper)
------------Iron--Marajoara(Lower)
----Copper--Humaitá(East South America)
--------Bronze--Umbu(Coastal)
------------Iron--Tupi-guarani(North)
----------------Antiquity--Tupi
----------------Antiquity--Mbaya-Guaicurus
------------Iron--Taquara/Itararé(South)
----------------Antiquity--Mapuche
----------------Antiquity--Toba
--------Bronze--Ananatuba(Amazon)
------------Iron--Kuhikugu(Upper)
----------------Antiquity--???
----------------Antiquity--???
------------Iron--Marajoara(Lower)
----------------Antiquity--???