La zona segura tiene el kit de emergencia.

Spanish uses articles more often than English.

• la zona segura = the safe area
• el kit de emergencia = the emergency kit

In Spanish, it is very normal to include the definite article when talking about a specific thing, especially if both speaker and listener know which one is meant. English often drops the in places where Spanish keeps it.

Also note the genders:

• zona is feminine, so it takes la
• kit is usually treated as masculine, so it takes el

Because segura is an adjective describing zona, and adjectives must agree with the noun in gender and number.

• zona is feminine singular
• so the adjective must also be feminine singular: segura

Compare:

• el lugar seguro = the safe place
• la zona segura = the safe area

If the noun were plural, the adjective would change too:

• las zonas seguras = the safe areas

In Spanish, adjectives often come after the noun, especially when they are simply describing a characteristic.

So:

• la zona segura is the normal order

You can sometimes put adjectives before nouns in Spanish, but that often changes the tone, emphasis, or style. With segura, the natural everyday order here is after the noun.

For a learner, the safest rule is:

• noun + adjective is very common in Spanish

Because tener means to have, and this sentence is expressing possession or availability tied to the subject.

• La zona segura tiene el kit de emergencia = the safe area has the emergency kit

Why not hay?

• hay means there is / there are
• It introduces existence, not possession by a subject

Example:

• Hay un kit de emergencia en la zona segura = There is an emergency kit in the safe area

Why not está?

• estar is used for location or states
• You would use it for where the kit is, not to say that the area has it

Example:

• El kit de emergencia está en la zona segura = The emergency kit is in the safe area

So:

• tiene = has
• hay = there is/are
• está = is located/is

Because de emergencia works like emergency in English: it describes the type or purpose of the kit.

• kit de emergencia = emergency kit

In Spanish, de + noun is a very common way to express this kind of relationship:

• botiquín de primeros auxilios = first-aid kit
• gafas de sol = sunglasses
• coche de policía = police car

Using de la emergencia would sound much less natural here, because it would suggest a specific emergency rather than the general function of the kit.

Yes. Kit is widely used in Spanish, including in Spain, especially for sets of items such as:

• kit de emergencia
• kit de limpieza
• kit de herramientas

It is normally treated as masculine:

• el kit
• un kit

So in your sentence, el kit de emergencia is correct.

No. Spanish usually leaves out subject pronouns when the verb already makes the subject clear.

• La zona segura tiene el kit de emergencia is complete and natural

Adding a pronoun would usually be unnecessary:

• Ella tiene... would mean she has..., which does not fit here anyway because the subject is la zona segura

In Spanish, subject pronouns are often omitted unless you want emphasis, contrast, or clarity.

In standard Spain Spanish, the z in zona is pronounced like the th in think.

So:

• zona sounds roughly like THO-na
• segura sounds roughly like seh-GOO-ra

A rough full pronunciation would be:

• la THO-na seh-GOO-ra TYEH-neh el kit deh eh-mehr-HEN-thya

A few notes for Spain Spanish:

• z before a, o, u has the th sound
• c before e, i also has that sound in most of Spain
• in many parts of Latin America, zona would begin with an s sound instead

None of the words in this sentence needs a written accent mark because they follow normal Spanish stress rules.

Stress:

• LA zo-na se-GU-ra TIE-ne el KIT de e-mer-GEN-cia

More specifically:

• zona → stress on zo
• segura → stress on gu
• tiene → stress on tie
• kit → only one syllable
• emergencia → stress on gen

Why no accent marks? Spanish only writes an accent when a word breaks the usual stress pattern or when it is needed to distinguish words. These words all follow the standard rules, so no written accents are needed.

Yes. This version is perfectly correct, but Spanish offers other natural ways to express similar ideas depending on the focus.

For example:

• El kit de emergencia está en la zona segura.
  Focus: location of the kit

• Hay un kit de emergencia en la zona segura.
  Focus: existence of a kit there

• La zona segura cuenta con un kit de emergencia.
  Slightly more formal; cuenta con means has / is equipped with

Your original sentence is straightforward and natural if the idea is that the safe area has or contains the emergency kit.