A gomb az asztalon van.

Hungarian has one definite article, but it has two forms:

• a before a consonant sound
• az before a vowel sound

So:

• a gomb = the button
• az asztalon = on the table

The choice depends on the sound that follows, not on meaning. Since gomb starts with a consonant, it takes a. Since asztalon starts with a vowel, it takes az.

In Hungarian, meanings like in, on, under, and so on are often shown with suffixes attached to the noun instead of separate prepositions.

Here:

• asztal = table
• -on = on

So:

• asztalon = on the table

This suffix is called a case ending. Hungarian uses cases where English often uses prepositions.

The ending -on is one of the forms used for the idea of on a surface.

For example:

• asztalon = on the table
• széken = on the chair
• polcon = on the shelf

The exact form can vary: -on / -en / -ön / -n depending on the word. You usually have to learn which form a noun takes.

So in this sentence, asztalon is the correct form meaning on the table.

Yes, Hungarian often leaves out is/am/are in the present tense, but not in every kind of sentence.

For example, when describing something:

• A gomb kicsi. = The button is small.

Here, there is no van.

But in location sentences, Hungarian usually uses van:

• A gomb az asztalon van. = The button is on the table.

So the rule is roughly:

• description / identity: often no van
• location / existence: usually van

That is why van is needed here.

This is a very normal Hungarian word order for a neutral statement.

• A gomb = topic, what we are talking about
• az asztalon van = what we say about it

Putting van at the end is natural here because the sentence is simply stating the button’s location.

Hungarian word order is more flexible than English, but it is not random. It often changes depending on focus and emphasis.

Yes. Hungarian allows different word orders, often with different emphasis.

For example:

• A gomb az asztalon van.
  Neutral: The button is on the table.

• Az asztalon van a gomb.
  This puts more attention on the location: The button is on the table / It is on the table that the button is.

The basic meaning stays similar, but the information structure changes.

Because both nouns are understood as specific:

• a gomb = the button
• az asztal(on) = the table

Hungarian uses the definite article when the speaker and listener can identify the thing being talked about, just like English does in many cases.

If the noun were indefinite, you might get:

• Egy gomb az asztalon van. = A button is on the table.

So the articles tell you whether the noun is specific/known or non-specific/new.

Hungarian often uses the definite article where English might also use the, especially when a specific object is meant.

So:

• az asztalon = on the table
• egy asztalon = on a table
• sometimes just asztalon can appear in certain contexts, but that would sound less like on the table and more context-dependent

In this sentence, az asztalon clearly means a particular table.

The base word is asztal = table.

Then Hungarian adds the location ending:

• asztal
  • -on → asztalon

So when learning vocabulary, it helps to separate:

• asztal = table
• asztalon = on the table

That way you can recognize the noun even when it has endings attached.

Yes, it is a perfectly natural and standard sentence.

It is a good example of several important Hungarian patterns:

• definite article: a / az
• noun + case ending: asztalon
• present tense location with van
• normal neutral word order

So it is a very useful model sentence for beginners.

Hungarian uses different endings for different spatial meanings.

• asztalon = on the table
• asztalban = in the table
• asztalra = onto the table

So compare:

• A gomb az asztalon van. = The button is on the table.
• A gomb az asztalra esik. = The button falls onto the table.

Hungarian is very precise about location vs movement:

• -on/-en/-ön = on
• -ra/-re = onto
• -ban/-ben = in
• -ba/-be = into

This distinction is one of the most important things to learn in Hungarian.