Put ’em together, add rivers and roads, name the un-labelled bits with marker or crayon. Declare one side as the coast.
Add lots of ruins, demon-haunted ruins, undead infested tombs and kobold-cursed dungeons to taste.
Githyanki Diaspora
Blog of Judd Karlman from Daydreaming about Dragons
Githyanki Diaspora 
What are you using to create the hex maps?
http://www.hexographer.com/
I used the free version but I will certainly buy the pro soon.