2010 Slovenian border dispute agreement referendum

A referendum on resolving the border dispute with Croatia was held in Slovenia on 6 June 2010. Voters were asked whether the dispute should be brought before an international arbitration tribunal. The results showed 51.54% of voters in favour, with a voter turnout of 42.66%.

Background
The referendum was officially requested in parliament on 26 April 2010, with the date for the election to be decided within seven days, i.e. by 3 May 2010. The election was called in the evening on 3 May 2010 for 6 June 2010 as had been expected.

The official wording was: "Do you support the implementation of the Law on the Ratification of the Arbitration Agreement between the Government of the Republic of Slovenia and the Government of the Republic of Croatia, which was adopted by the Slovenian Parliament at its session of 19 April 2010, becoming valid?"

Polling
Before the referendum, polls constantly showed a majority of the population in favour of the agreement:
 * November 2009: 49% to 37% in favour
 * January 2010: 64% to 28% in favour
 * March 2010: 50% to 30% in favour
 * Early May 2010: 37.6% to 32.9% in favour
 * Late May 2010: 50.7% to 36.1% in favour
 * Late May 2010: 37.6% to 37.0% against
 * Early June 2010: 54% to 46% in favour
 * Early June 2010: 56.8% to 43.2% in favour