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Start with the full category, then apply the exact boundary: Countries the river flows through or along as a border. Other drainage-basin countries do not count. You only need one qualifying answer. A longer name is not automatically rarer.
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Shortest accepted input at 65+ points
SerbiaSerbia · 65 points · 6 characters
The Danube's main channel passes through or forms part of the border of Serbia.
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Moldova95 points · Shortest accepted spelling: Moldova
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- Enter a country rather than a city, dependent territory or organisation. Apply the named regional or membership definition.
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Each entry belongs to the bounded set defined by the prompt. The named source supports the underlying facts; our editorial scoring is a separate layer.
Source: ICPDR · Danube River ↗
Reference version: 2026-09-19. See our answer policy for how we handle aliases and omissions.