Azer. or Ukr., once

• Russ. or Ukr., once
• Estonia or Georgia, at one time: Abbr
• Lithuania or Estonia, once: Abbr
• Soviet rep
• Former map inits.
• Former Union member (abbr.)
• Obsolete geog. abbr.
• Former state: Abbr.
• Kazakhstan, once: Abbr.

Wikipedia Word definitions in Wikipedia
SSR may refer to: