 The Nordic Passport Union gives the citizens of Nordic countries the right to freely travel to and reside in other Nordic countries without a passport or residence permit.Citizens of member states of the Gulf Cooperation Council (GCC) have freedom of movement throughout the GCC, including the right to reside and work in other GCC states with almost no restrictions.The Common Travel Area (CTA) consists of the United Kingdom, Republic of Ireland, and the UK's surrounding island territories.