CSTO

Proper noun

abbreviation alt-of initialism

Initialism of Collective Security Treaty Organisation.

Japanese Meaning

集団安全保障条約機構の頭字語

After months of rising tensions on the border, the CSTO called for immediate diplomatic talks among its member states.

国境で数か月にわたり緊張が高まった後、集団安全保障条約機構は加盟国に対し直ちに外交協議を行うよう呼びかけた。

Sense（1）

Initialism of Collective Security Treaty Organisation.