Greece

1925 Geneva Protocol
Signature (Paris) 17 June 1925  
Deposit of instruments of ratification (Paris) 30 May 1931  
Antarctic Treaty
Deposit of instruments of accession (Washington) 8 January 1987  
Anti-Personnel Mine Ban Convention
Signature (UN) 3 December 1997 *
Deposit of instruments of ratification (UN) 25 September 2003  
Arms Trade Treaty
Signature (UN) 3 June 2013  
Deposit of instruments of ratification (UN) 29 February 2016  
Biological Weapons Convention
Signature (Washington) 12 April 1972  
Signature (Moscow) 14 April 1972  
Signature (London) 10 April 1972  
Deposit of instruments of ratification (Washington) 10 December 1975  
Chemical Weapons Convention
Signature (UN) 13 January 1993 *
Deposit of instruments of ratification (UN) 22 December 1994 *
Comprehensive Nuclear-Test-Ban Treaty
Signature (UN) 24 September 1996  
Deposit of instruments of ratification (UN) 21 April 1999  
Convention on Certain Conventional Weapons
Signature (UN) 10 April 1981  
Deposit of instruments of ratification of Amendment to the Convention on Certain Conventional Weapons (UN) 26 November 2004  
Deposit of instruments of ratification (UN) 28 January 1992 *
Consent to be bound to Protocol IV on Blinding Laser Weapons (UN) 5 August 1997 *
Consent to be bound to Amended Protocol II on the Use of Mines, Booby-Traps and Other Devices (UN) 20 January 1999 *
Consent to be bound to Protocol I to the Convention on Certain Conventional Weapons (UN) 28 January 1992  
Consent to be bound to Protocol III to the Convention on Certain Conventional Weapons (UN) 28 January 1992  
Consent to be bound to Protocol II to the Convention on Certain Conventional Weapons (UN) 28 January 1992  
Consent to be bound to Protocol V on Explosive Remnants of War (UN) 21 October 2014  
Convention on Environmental Modification Techniques (ENMOD)
Deposit of instruments of accession (UN) 23 August 1983  
International Convention for the Suppression of Acts of Nuclear Terrorism
Signature (UN) 15 September 2005  
Outer Space Treaty
Signature (Washington) 27 January 1967  
Deposit of instruments of ratification (London) 19 January 1971  
Partial Test Ban Treaty
Signature (Washington) 8 August 1963  
Signature (Moscow) 9 August 1963  
Signature (London) 9 August 1963  
Deposit of instruments of ratification (Washington) 18 December 1963  
Deposit of instruments of ratification (London) 18 December 1963  
Deposit of instruments of ratification (Moscow) 18 December 1963  
Sea-Bed Treaty
Signature (Washington) 12 February 1971  
Signature (Moscow) 11 February 1971  
Deposit of instruments of ratification (London) 28 May 1985 *
Deposit of instruments of ratification (Moscow) 28 May 1985  
Deposit of instruments of ratification (Washington) 28 May 1985  
Treaty on Conventional Armed Forces in Europe (CFE)
Signature (The Hague) 19 November 1990  
Signature to Agreement on Adaptation of the Treaty on Conventional Armed Forces in Europe (The Hague) 19 November 1999  
Deposit of instruments of ratification (The Hague) 8 July 1992 *
Treaty on Open Skies
Signature (Budapest) 24 March 1992  
Signature (Ottawa) 24 March 1992  
Deposit of instruments of ratification (Ottawa) 9 September 1993  
Deposit of instruments of ratification (Budapest) 9 September 1993  
Treaty on the Non-Proliferation of Nuclear Weapons (NPT)
Signature (Washington) 1 July 1968  
Signature (Moscow) 1 July 1968  
Deposit of instruments of ratification (Washington) 11 March 1970