Greater Bosnia () is an irredentist concept seeking the enlargement of Bosnia and Herzegovina. It is more popular among ethnic Bosniaks, as Bosnian Croats more commonly support the creation of a separate Croat entity in Bosnia and Herzegovina or integration into Croatia while Bosnian Serbs prefer to side with a possible secession of Republika Srpska or its merger with Serbia. Bosniak irredentism often endorses the annexation of the region of Sandà ¾ak, where a Bosniak community lives.
Dà ¾afer KulenoviÃÂ, leader of the Yugoslav Muslim Organization, supported the creation of a Greater Bosnia including Sandà ¾ak sponsored by the Independent State of Croatia during World War II.
Franjo TuÃÂman, the first president of Croatia, accused Alija IzetbegoviÃÂ, the first chairman of the Presidency of Bosnia and Herzegovina, of conspiring to create a Greater Bosnia along with Turkey and to create an Islamic fundamentalist state with the help of 500,000 ethnic Turks that were to come to Bosnia and which would expand its influence to Sandà ¾ak and Kosovo. TuÃÂman was opposed to maintaining Bosnia's borders at the time and advocated for a partition of the country along ethnic lines.