IN THE game Arcadia, there were four major towns where players could rest, accept daily task, shop for items and equipments, and also freely interact with other players without the worry that they would be PKed. Players could enter these four towns once they reached a certain level. Olkdale was one of these four.
Once a player reached level 10, they could freely enter Olkdale Town. That's why this town was often referred to as the Beginner's Town. Because there were a lot of new people trying to play Arcadia everyday, this town often had the most traffic. Not only because of that but because some players didn't really want to further level up, they just wanted to have that VR experience.