Getting back into the game after about a year long hiatus. Could use some help/feedback.

So I've been gone for quite awhile. I played for around a week about 7 months ago, but the last time i played all out was right when Leviathan was released. I was on Balmung for about 90% of my time before i switched to Coeurl with a friend. I just bought Heavensward as well but have yet to do any of it.

Basically... What would be a good world to switch to (I'd like it to be active. I hate barren worlds)...What content should i get started on?.....Any hints or feedback in general after my time away would be great.

My name in-game is Zana Silvertongue