This guide will show you the steps needed in order to change your Ark server's world / map.
1. Stop your server
2. Click "Edit Profile" and navigate to the Settings page.
3. Scroll to the bottom of the page and find the "Map" Field.
4. Change the map name to either, TheIsland, TheCenter, ScorchedEarth_P or Ragnarok
5. Save & Apply the profile.