When you get to the Temple, talk to everyone who doesn't try to kill you or give you a reason to want to kill them, and you'll have your answer in reasonably short order. (In the world of Greyhawk, it's a largish city located not too far from where ToEE takes place.)
jaffh, thanks! I thought, I missed something special, because I don't use front-end and don't start with bying equipment. I thought that all parties start in Verbobonc and buy equipment... if a player uses an additional option