sea basin in the Orkney Islands, northern Scotland, providing ship anchorage protected by several of the islands and giving access to the North Sea and the Atlantic Ocean

Note: Scapa Flow was used as the base for the British fleet patrolling the North Sea during both world wars.

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“Scapa Flow.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Scapa%20Flow. Accessed 7 Jul. 2026.

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