The Council of Europe Convention on Preventing and Combating Violence Against Women and Domestic Violence, better known as the Istanbul Convention, is a human rights treaty of the Council of Europe opposing violence against women and domestic violence which was opened for signature on 11 May 2011, in Istanbul, Turkey. The convention aims at prevention of violence, victim protection and to end the impunity of perpetrators. As of March 2019, it has been signed by 45 countries and the European Union. On 12 March 2012, Turkey became the first country to ratify the convention, followed by 37 other countries from 2013 to 2022. The Convention came into force on 1 August 2014. In 2021, Turkey became the first and only country to withdraw from the convention, after denouncing it on 20 March 2021. The convention ceased to be effective in Turkey on 1 July 2021, following its denunciation. On 1 June 2023 the Council of the European Union approved the EU’s accession to the Istanbul Convention.