Prepositions with nouns

In area or of area?

In area is uncommon by itself but can appear when area means a place or region. Of area usually appears in longer noun phrases such as area of study or area of expertise.

Quick answer

Which preposition is correct with area?

Use in an area or in the area to talk about location or a field of activity. Use area of with another noun to show type, subject, or specialization. The exact phrase in area without an article is usually unnatural in standard English.

Several schools opened in the area last year.
She specialises in an area of environmental law.
This is an important area of research.

Choose the pattern by meaning

These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.

1
in the area

Talking about location

Use in the area to describe something happening within a place or region.

There are many parks in the area.
Property prices in the area have increased.
2
area of + noun

Naming a field or type

Use area of before a subject, activity, or expertise.

Cybersecurity is an area of concern for businesses.
She works in the area of education policy.
3
specialise in + area

Describing expertise

Use in with area when area means a field of work or study, usually with an article.

He specialises in an area of tax law.
They invested heavily in the area of renewable energy.
4
area in + place

Locating a region inside another place

Use area in to identify a region within a city, country, or larger location.

It is a rural area in northern Spain.
The company expanded into an area in the south.

See the difference in context

The same subject can take different constructions because each sentence answers a different question.

Construction
Example
Meaning
in area
The phrase is uncommon in standard English without an article.
usually replaced by in an area or in the area
of area
The exact phrase of area is not normally used alone.
usually part of a longer phrase such as area of study
in the area
Many restaurants opened in the area.
inside a particular region or neighbourhood
area of
This is an area of expertise for her.
a field, type, or subject

Common mistakes

Some combinations appear in real text but do not mean what learners often assume.

Omitting the article with area

Area usually needs an article when referring to a place or field.

✕ Many people live in area. ✓ Many people live in the area.

Using of area instead of area of

English normally uses area of, not of area, to introduce a subject or type.

✕ They discussed the of area research. ✓ They discussed the area of research.

Confusing place and subject meanings

Use in the area for location and area of for fields or topics.

✕ She is an expert in the area marketing. ✓ She is an expert in the area of marketing.

Quick practice

Choose the expression that matches the intended meaning.

1. Several new shops opened ___ the area.
2. Climate change is an area ___ active research.
3. He specialises in an area ___ digital security.

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Frequently asked questions

Is in area correct English?

Usually no when used alone. Standard English normally uses in an area or in the area.

Can I use of area by itself?

Not usually. English commonly uses area of followed by another noun, such as area of expertise.

What is the difference between in the area and area of?

In the area refers to location. Area of introduces a subject, type, or field.

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