Explanation

 the OPCW Headquarters in The Hague, Netherlands

Formation: 29 April 1997

Headquarters: The Hague, Netherlands

Membership: 193 member states (all states party to the CWC are automatically members.)

4 UN Member States are non-members:

Egypt

Israel

North Korea

 South Sudan

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Official languages:

Arabic

Chinese

English

French

Russian

Spanish

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The organization was awarded the 2013 Nobel Peace Prize "for its extensive efforts to eliminate chemical weapons"

ND-31-8--2023