Boundaries
Region and boundaries are semantically related. In some cases you can use "Region" instead a noun "Boundaries".
Region
Region noun - A part or portion having no fixed boundaries.
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Synonyms for Region
Boundaries and region are semantically related. Sometimes you can use "Boundaries" instead a noun "Region".
Mutual synonyms
Both words in one sentence
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The San Francisco Bay Area (in California), depending on where exactly you draw the boundaries, comprises up to 8.5 million people and is potentially the 2nd-largest metropolis in the United States - after the Los Angeles area - with a steadily growing population from immigration into the region.
Source: Mega City -
Fallout 4's Mordor region, the Glowing Sea, which you must walk to and through to find Virgil in the main storyline, is in the far southwest corner of the map, has many craggy slopes to hike over, and is large enough that parts of it are outside the normal map boundaries.
Source: Walk into Mordor -
Space-Filling Empire: Done with the first map ever printed of the planet Mystara, which depicted a major hunk of continent as "the Empire of Dorfin IV", and showed the Empire of Thyatis (whose actual boundaries were much less) encompassing the entire "Known World" region.
Source: Tabletop Game / Mystara
Cite this Source
Region and Boundaries. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/boundaries/region
Boundaries & Region. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/boundaries/region>.
Region or Boundaries. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/boundaries/region.
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