Hi,

Unfortunately all the above are correct and the start files looks like it is ok.
The map never loaded fully but the map.rwm was created for it and that is far more than what I had before.

descr_regions.txt
Mycenae_reg
Mycenae
greek_cities
Achaeans
0 110 220
wine, slaves, olive_oil, dogs, pigs
5
8

descr_regions_and_settlement_name_lookup.txt
Mycenae_reg
Mycenae

test3_regions_and_settlement_names.txt
{Mycenae_reg} Region of Mycenae
{Mycenae} Mycenae

descr_strat.txt
...
settlement
{
level town
region Mycenae_reg

year_founded 0
population 1200
settlement_tax 50
plan_set default_set
faction_creator greek_cities
building
{
type core_building governors_house
}
building
{
type defenses wooden_pallisade
}
building
{
type barracks militia_barracks
}
building
{
type equestrian stables
}
}