El hotel necesita más personal.

El means the, while un means a/an.

So:

• el hotel = the hotel
• un hotel = a hotel

Spanish uses the definite article when talking about a specific hotel, just like English uses the.

Because the subject is el hotel, which is singular.

• el hotel necesita = the hotel needs
• los hoteles necesitan = the hotels need

Even though a hotel contains many people, the grammatical subject is still hotel, a singular noun, so the verb must be singular too.

In Spanish, subject pronouns are often left out because the verb ending already shows who or what the subject is.

Here, the subject is explicitly stated as el hotel, so there is no need to add él.

• El hotel necesita más personal. = natural
• Él necesita más personal. = He/it needs more staff, but now the subject is just a pronoun

Spanish normally avoids unnecessary subject pronouns.

No. In this sentence, personal is a noun, not an adjective.

Here it means:

• staff
• personnel

So más personal means more staff or more personnel.

This is a very common use in Spanish. Even though English has the adjective personal, Spanish personal can also be a noun meaning the people who work somewhere.

Because personal is a collective noun here.

It refers to a group of workers as a whole, much like English staff or personnel, which are also often treated as singular in form.

So:

• más personal = more staff
• not necessarily more one person, but a larger workforce

Spanish often uses singular collective nouns this way.

After más, Spanish usually puts the noun directly, with no article, when speaking in a general sense.

So:

• más personal = more staff
• más dinero = more money
• más tiempo = more time

You would only add an article in more specific contexts, but not in this basic sentence.

The accent distinguishes más from mas.

• más = more
• mas = but (an old-fashioned or literary word)

So in this sentence, the accent is necessary because the word means more.

In Spanish, the h is silent.

So hotel is pronounced roughly like:

• o-TEL

The stress is on the last syllable because it ends in a consonant other than n or s.

Also, the Spanish t and l are a bit crisper than in English, and the vowels are pure:

• o = short, clear o
• e = short, clear e

In standard Spain Spanish, it is roughly:

• ne-theh-SEE-ta

More precisely:

• ne
• ce: in most of Spain, c before e is pronounced like th in think
• si
• ta

So in Spain:

• necesita ≈ ne-the-SEE-ta

In much of Latin America, that c would sound like s instead.

Not in standard Spanish. That structure is incorrect.

You can say:

• El hotel necesita más personal. = The hotel needs more staff.

Or, with a different structure:

• Al hotel le hace falta más personal. = literally, More staff is lacking to the hotel

Both mean something similar, but necesitar is the simpler and more direct verb here.

Necesitar usually takes a direct object, so no preposition is needed here.

• necesita más personal
• necesita ayuda
• necesita tiempo

That is different from some English patterns where learners may expect an extra word. In Spanish, necesitar works very directly: need + thing.

No. Hotel is masculine:

• el hotel
• un hotel

Its gender is fixed, so you would not say la hotel in standard Spanish.

The plural is:

• los hoteles = the hotels