I've had a lot of fun there (nice exp, excellent cash, some nice drops), so wanted to post locations for other newbs. They aren't easy to find, so please add to the list!
Nascence Wilds
location 510, 1456 - level 41 or so (armor you can get here is nice)
location 579, 1306 - level 54-61
Misty Dreams Border
location 1400, 578 - level 46 or so
Core
location 1506, 991 -level 54-61