The Province of Ljubljana (, , ) was the central-southern area of Slovenia, the only present-day European nation and the only part of Yugoslavia that was absorbed and planned to be completely annexed into neighboring Nazi Germany, Fascist Italy, and Hungary during World War II. Until 1943, it was annexed by the Fascist Italy, and after 1943 occupied by Nazi Germany. Created on May 3, 1941, it was abolished on May 9, 1945, when the Slovene Partisans and partisans from other parts of Yugoslavia liberated it from the Nazi Operation Zone of the Adriatic Littoral. Its administrative centre was Ljubljana.