Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
are sites of
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "are sites of" is correct and usable in written English.
It can be used to describe locations or places where certain activities, events, or phenomena occur. Example: "The coastal regions are sites of diverse marine life and unique ecosystems."
✓ Grammatically correct
Science
News & Media
Encyclopedias
Alternative expressions(6)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
58 human-written examples
They are sites of investment.
News & Media
Bunnies, of course, are sites of whirling semiotic complexity.
News & Media
Jena, Erfurt, Ilmenau, and Weimar are sites of universities.
Encyclopedias
Many are sites of war – Concord and Lexington, Appomattox and Gettysburg.
News & Media
Art historian Hal Foster says Gehry's cultural centres are "sites of spectacular spectatorship, of touristic awe".
News & Media
They are sites of social interaction, where gossip is gossiped and confidences exchanged.
News & Media
Shipyards at Manama and Al-Muḥarraq are sites of dhow building, a highly respected art form.
Encyclopedias
SNPs, or "snips," are sites of common variation along the DNA.
News & Media
Earth scientists found that the mid-ocean centres of seafloor spreading also are sites of important metal deposits.
Encyclopedias
Sangsit (4 miles [7 km] east of Singaraja), Sarvan (to the southeast), and Yeh Sanih (to the east) are sites of old Hindu temples.
Encyclopedias
Back-arc basins are sites of significant hydrothermal activity, and the deep-sea vents that occur in these regions often harbour diverse biological communities.
Encyclopedias
Expert writing Tips
Best practice
When using "are sites of", ensure that the subject clearly identifies specific locations or areas, and the object specifies the activity, event, or characteristic associated with those locations. For example: "These ancient ruins are sites of significant historical value."
Common error
Avoid using "are sites of" with singular subjects. Ensure the subject is plural to maintain grammatical correctness. For example, correct: "The historical landmarks are sites of interest." Incorrect: "The historical landmark are sites of interest."
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "are sites of" functions as a descriptive element, identifying specific locations or areas that are associated with particular activities, events, or characteristics. As Ludwig AI highlights, this phrase is both correct and widely applicable in written English.
Frequent in
Science
40%
News & Media
30%
Encyclopedias
20%
Less common in
Wiki
7%
Formal & Business
3%
Social Media
0%
Ludwig's WRAP-UP
In summary, the phrase "are sites of" is a grammatically sound and widely used construction to denote locations associated with particular activities or characteristics. As Ludwig AI confirms, it is suitable for use across a variety of formal and informal contexts, though it tends to be more prevalent in scientific, encyclopedic, and news-related writing. When using this phrase, ensure subject-verb agreement and choose it when you aim to highlight a location's specific function or importance. Remember that while alternatives like "are locations for" exist, the best choice depends on the nuanced meaning you wish to convey.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
are locations for
Replaces 'sites' with 'locations', emphasizing the physical place.
are places of
Substitutes 'sites' with 'places', providing a more general term for location.
are areas for
Uses 'areas' instead of 'sites', focusing on broader regions.
are venues for
Replaces 'sites' with 'venues', specifically indicating places where events or activities occur.
are hotspots for
Emphasizes areas with high activity or concentration of something.
are centers of
Highlights the central role or importance of the location.
constitute locations of
Adds a formal tone by using 'constitute', indicating what something is made up of.
represent locations for
Focuses on the symbolic or representative nature of the location.
are known for
Highlights the notability or fame of a location for something.
are grounds for
This option replace the meaning 'location' to the new meaning 'reason'.
FAQs
How can I use "are sites of" in a sentence?
Use "are sites of" to describe locations where certain activities or phenomena occur. For instance, "These rivers "are sites of" significant biodiversity."
What are some alternatives to "are sites of"?
Alternatives include "are locations for", "are places of", or "are areas for", depending on the specific context and desired emphasis.
Is it correct to use "is site of" instead of "are sites of"?
No, "is site of" is grammatically incorrect when referring to multiple locations or a plural subject. The correct usage is ""are sites of"" for plural subjects.
What's the difference between "are sites of" and "are known for"?
"Are sites of" describes a location's function or characteristic, while "are known for" indicates a location's reputation or fame. For example, "These battlefields are sites of historical conflict," versus "Paris are known for its romantic ambiance."
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested