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subregion

American

[suhb-ree-juhn] / ˈsʌbˌri dʒən /

noun

a division or subdivision of a region, especially a division of a zoogeographical region.

subregion British

/ sʌbˈriːdʒən /

noun

a subdivision of a region, esp a zoogeographical or ecological region

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

subregional adjective

Etymology

Origin of subregion

First recorded in 1860–65; sub- + region

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The rock band, which was formed in a subregion of the San Francisco Bay Area, will perform starting at 3 p.m.

From Los Angeles Times • Feb. 4, 2026

"Our intention was to verify whether a subregion sensitive specifically to primate vocalizations existed," explains Leonardo Ceravolo, research associate at UNIGE's Faculty of Psychology and Educational Sciences and first author of the study.

From Science Daily • Dec. 10, 2025

"For years, Nigeria has supported peace and security of several countries not only in the West African subregion but also on the African continent," the regional bloc said in a statement shared on Thursday.

From BBC • Dec. 27, 2024

Elia added that services in the subregion “demonstrate a limited ability to serve a population with diverse needs.”

From Seattle Times • Dec. 18, 2023

More than one-third of the genera of Nearctic birds are common also to the Palaearctic subregion.

From Encyclopaedia Britannica, 11th Edition, Volume 3, Slice 7 "Bible" to "Bisectrix" by Various

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023