الهيئة في المدينة.

In present-tense Arabic, a sentence like الهيئة في المدينة usually does not use a separate word for is.

So Arabic says, literally:

الهيئة في المدينة
the الهيئة in the city

But the natural English translation is:

The الهيئة is in the city.

This is called a nominal sentence in Arabic. The first part is the topic/subject, and the second part gives information about it.

It can be understood as a complete sentence meaning The الهيئة is in the city.

However, without vowels or more context, Arabic can sometimes be a little ambiguous in writing. A sequence like this can also feel phrase-like, as in the الهيئة in the city.

In most basic learning contexts, though, it is treated as a full nominal sentence:

• الهيئة = the topic/subject
• في المدينة = the predicate, telling where it is

في means in.

It is a very common preposition in Arabic. In this sentence:

• في المدينة = in the city

So في introduces the location.

After the preposition في, the following noun goes into the genitive case in formal Arabic.

So with full case endings, the sentence is:

الهيئةُ في المدينةِ

Here:

• الهيئةُ is nominative
• المدينةِ is genitive because it comes after في

Even if short vowels are usually not written in normal text, this case relationship is still there grammatically.

The fully vowelled form is:

الهيئةُ في المدينةِ

Breakdown:

• الهيئةُ = al-hayʾatu
• في المدينةِ = fī al-madīnati (or in connected pronunciation, often fī l-madīnati)

So the whole sentence in careful reading is:

al-hayʾatu fī l-madīnati

In pause, many speakers will reduce the endings and say something closer to:

al-hayʾa fī l-madīna

A careful pronunciation is:

al-hayʾa
or with full case ending: al-hayʾatu

The important part is the hamza in ئ. It creates a small break or catch in the voice:

• hay
• then a glottal stop
• then a

So it is not one smooth syllable like haya. It is more like:

hay-ʾa

The final ة is called tāʾ marbūṭa.

In many nouns, it often signals that the word is grammatically feminine. In pause, it is usually pronounced like -a:

• الهيئة → al-hayʾa

But when grammatical endings are fully pronounced, it behaves like -t plus the case vowel:

• الهيئةُ → al-hayʾatu

This is very common in Modern Standard Arabic.

Yes. الهيئة is grammatically feminine.

That matters when other words agree with it. For example:

• الهيئة كبيرة = The الهيئة is big
• وصلت الهيئة = The الهيئة arrived

In those examples, the adjective or verb appears in the feminine form.

In الهيئة في المدينة, there is no adjective or past verb, so you do not see feminine agreement clearly in the sentence itself.

ال is the Arabic definite article, usually meaning the.

So:

• الهيئة = the الهيئة
• المدينة = the city

Arabic often uses definiteness very clearly and consistently. In this sentence, both nouns are definite.

Also, because both ه and م are moon letters, the ل in ال is pronounced clearly:

• al-hayʾa
• al-madīna

not assimilated as it would be with a sun letter.

في المدينة is a prepositional phrase meaning in the city, and it functions as the predicate of the nominal sentence.

So the structure is:

• الهيئة = what we are talking about
• في المدينة = the information given about it

In other words:

Where is the الهيئة?
It is in the city.

The normal beginner-friendly order here is:

الهيئة في المدينة

This starts with the thing being talked about, then gives its location.

Arabic can move elements around for style, emphasis, or context, but for a learner, this order is the most straightforward and neutral way to say The الهيئة is in the city.