To find the Voroks, find the RHodoks then go up into the mountains to the south, there's a big mountain plateau which is the Vorok lands,
A quick list of Foci;
Curaw. Theme - Russians, Focus - Axes.
Alania. Theme - English, Focus - Longbow
Harlaushia Theme - Persia, focus - High Wepon points (in later build they will have an assassin troop type).
Voroks, theme - Bhutan cross Rhodoks, Focus, crap all roung but I guess foot combat spearmen.
Gorinia. Theme - Byzantium/Rome/Normans, Focus, hevy infatry but quite balanced.
Lacontia, Theme - Sparta, Focus, spearmen
Geroia, Theme - Venice, Focus, Pikemen and Lancers.
Oh, and Zendar, focus taking prisoners.
I'll add mroe proper previews as time goes by.