Please answer a question about the following article about Cyprus:

On 16 August 1960, Cyprus attained independence after the Zürich and London Agreement between the United Kingdom, Greece and Turkey. Cyprus had a total population of 573,566; of whom 442,138 (77.1%) were Greeks, 104,320 (18.2%) Turks, and 27,108 (4.7%) others  The UK retained the two Sovereign Base Areas of Akrotiri and Dhekelia, while government posts and public offices were allocated by ethnic quotas, giving the minority Turkish Cypriots a permanent veto, 30% in parliament and administration, and granting the three mother-states guarantor rights.

Which countries were part of the Zurich and London Agreement?
United Kingdom, Greece and Turkey