There's only lore on two countries, and the judgments stop at Cassiopia.
RIOT went to all the effort to write up some fantastic stuff, they should have it in a readily availiable are.
They have more pressing matters. Updating the website is considered low priority when there are other website sources to easily access.
© 2013 Riot Games, Inc. All rights reserved. Riot Games, League of Legends and PvP.net are trademarks, services marks, or registered trademarks of Riot Games, Inc.