A good bunch of links for you is this one I keep stealing from Ilyria
The five Kingdoms of Selene (EU):
The Kingdom of Nirath
Kingdom of Tryggr
Kingdom of Arkadia
Kingdom of AL-Khezam
Demalion Empire
The five Kingdoms of Angelica (NA-W):
The Kingdom of Ashland
Kingdom of Aranor
Kingdom of Tyria
Kingdom of Riftwood
Kingdom of Blackheart
The four Kingdoms of Luna (NA-E):
The Kingdom of Kairos
Kingdom of Vornair
Kingdom of Alésia
Kingdom of Bordweal
The three Kingdoms of Oceanus (APAC):
The Kingdom of Lor Voskara
Kingdom of Aequitas
Kingdom of Tylsia
Overview
Game Overview
Vision
Design Pillars
Souls
Roles
FAQs
World
Game World
Biomes
Domains Settlements
Tribes
Flora & Fauna
Items
Player Politics
Server Uniqueness
Game Guide
Guide
Evolving Story
Characters
Character creation
Families
AI
Skills
Lifecycles
Environment
Settlements
Politics
Miscellaneous
Lore
Getting Started
As far as there being one really convenient post to sum it all up, no not yet. I myself toyed with the idea but it's a pretty daunting task to undertake.