Once the map is uploaded to your server
you must download the plugin Multiverse-Core
upload the plugin to your plugins folder
and then restart the server
run
pl
in console to confirm that the plugin is working
in this case we will use the map name Spawn
mv import Spawn
mv import Spawn normal
to teleport to the world
run in the console op your nick
ingame run /mv tp map name – /mv tp spawn