This is the map of the Outworld. Outworld can be reached from 0,0 in most zones, and needs level 15 to do so.
Each two or three letter abbreviation is a zone. Currently open zones are:

Hu - Palaor, human starting zone
Dw - Asbarun, dwarf starting zone
El - Silverdale, elf starting zone
De - Darkmoor, dark elf starting zone
Gi - Jagan, giant starting zone
Tr - Torogaar, troll starting zone
Go - Nar Hob, goblin starting zone
An - New Haven, angel starting zone
Gg - Ankhgora, gargoyle starting zone

S - a shrine in outworld, just a normal shrine to revive/teleport.

DA - Dwarven Armory, quality armor shop.
MS - Erathia's Magic Shop, for better than the average spells.
Bf - Bladeforge, mercenary weapon shop, good & expensive.

DG - Demon Gate, some evil demons opend a portal to this world.
This zone contains the entrance to Dimension of Chaos
Fo - Enchanted Forest, good exp for medium levels. Non PK
FoJ - Forest of Jewels, drops at least ** gems. Level 200 to enter.
FF - Fluffy Forest, nice gold, medium exp, nice animals ;)
Tl - Ta'lorn. Kingdom of Light. Non PK
This zone contains the entrance to Dimension of Light
TC - The Catacombs. Level 200 needed, but major exp area.
EM - Essence of Malice. Sells Accessories, decent exp.
SD - Scorched Dunes. Meet the sandworms! ;)
QM - QuestMaster Hut. The place for the quests and rewards.
RU - Royal University. Check masteries, reincarnate and manage clans here.
ToS - Temple of Shadows. Here you can upgrade items from Shadow to Mystic, as well as remove gems.
Also sacrifice gold for balanced (neutral) alignment.
CT - Rusty Butterknife Inn. Go there to enjoy a drinks and brawls.
XD - Xandor Kingdoms. Here are Shimlar's kingdoms settled.
Ja - Jail, for scammers. Not a nice place.
EH - Estates Hill. Housing is located here.