Ending
The area of the Province of Ljubljana after the Second World War were united with the rest of Slovene Lands that were under the control of Tito’s Yugoslavia and formed the People’s Republic of Slovenia in 1947 that was in the mean time called the Federal State of Slovenia (short form: Federal Slovenia).
Some of its territory was returned to Croatia but some was subsequently claimed by Slovenia.
Bulk of its territory is now the Republic of Slovenia.
Read more about this topic: Province Of Ljubljana