subregion

American  

[suhb-ree-juhn] / ˈsʌbˌri dʒən /

noun

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

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subregion British  

/ sʌbˈriːdʒən /

noun

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

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Other Word Forms

• subregional adjective

Etymology

Origin of subregion

First recorded in 1860–65; sub- + region

Example Sentences

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

"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

The electrical signals, lasting on average 120 milliseconds, were then found to move down and across the folds of the precentral gyrus to a neighboring auditory cortical subregion, called the superior temporal gyrus.

From Science Daily • Dec. 3, 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

So large a portion of the Ethiopian subregion lies between the tropics that no surprise need be expressed at the richness of its fauna relatively to that of the last two subregions we have considered.

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