With NPC adding. just need some information :)

Hello Everyone how are you all ? :)

So well i learning this coding slowly and still few things i having problem with but nothing i can solve unless this one

I working on adding a NPC now and i following this guide
http://forum.ragezone.com/f723/add-n...m-npcs-815641/

and saw he typed

SET @GAMEWORDID = 1 --IMPORTANT! GET GAMEWORLD ID FROM THE LOCALY U WANT ADD THE NPC NORMAL CITY's = 1


Now my question is how do i find the gameworld id ? Also how do i know witch city is 1 and 4 ?
My plan is set it in jangan so is it 1 then ?

i will try google around and see if i can find to but i thinked i can make a post here cuz you guys give so good answers its more easy understand :)

Hope i explained good and sorry if i spelled wrong somewhere :)

Also how do i know witch is a npc for weps 1 for cloth and for avatars ?

Like me i want one only for item mall items avatar pets so on what will i use then at

npc\npc\khotanshop_smith.bsr

thanks again

1 is for town and in tactics you will put coordonate for city region x y z and dir

alright :)

Thanks :)