湾岸協力会議
The Cooperation Council for the Arab States of the Gulf (), originally (and still colloquially) known as the Gulf Cooperation Council (GCC, ), is a regional, intergovernmental political and economic union that consist of Bahrain, Kuwait, Oman, Qatar, Saudi Arabia, and the United Arab Emirates. The council main headquarter is in the city of Riyadh in Saudi Arabia. The Charter of the GCC was signed on 25 May 1981, formally establishing the institution.