1. Create a copy of your
Worlds folder and rename it so it's called
2. Your save folder shares the name of the map you are using. Make sure to select the correct one.
GeneratedWorlds folder may already exist. In this case, simply drop the map/save inside their respective folder into the existing one on the server.
3. Find the Game World property and click the drop down. Select Custom Map and type the name of your map folder.
4. Click Save Config & Restart Server. You will now load into the selected map and world.