Die Ankündigung nennt den freiwilligen Beitrag.

Because den freiwilligen Beitrag is the direct object of the verb nennt, so it has to be in the accusative case.

• der freiwillige Beitrag = nominative (the subject form)
• den freiwilligen Beitrag = accusative (the direct object form)

Since Beitrag is masculine singular, the accusative changes:

• der → den
• freiwillige → freiwilligen

So:

• Der freiwillige Beitrag ist hoch. = The voluntary contribution is high.
• Die Ankündigung nennt den freiwilligen Beitrag. = The announcement mentions/names the voluntary contribution.

Nennt is the 3rd person singular present tense form of nennen, which means to name, to mention, or sometimes to state depending on context.

Here:

• die Ankündigung = the announcement
• nennt = names / mentions / states
• den freiwilligen Beitrag = the voluntary contribution

So nennt agrees with die Ankündigung, which is singular.

A few forms of nennen:

• ich nenne = I name / mention
• du nennst = you name / mention
• er/sie/es nennt = he/she/it names / mentions

Because German adjectives change their endings depending on:

1. the case
2. the gender
3. whether there is an article before them

Here, Beitrag is:

• masculine
• singular
• accusative
• preceded by the definite article den

So the adjective takes the ending -en:

• der freiwillige Beitrag = nominative
• den freiwilligen Beitrag = accusative

This is a very common pattern in German adjective endings.

Yes. Beitrag is a masculine noun.

Its basic article is:

• der Beitrag = the contribution / fee / article / post, depending on context

In this sentence, because it is accusative, it becomes:

• den Beitrag

And with the adjective:

• der freiwillige Beitrag
• den freiwilligen Beitrag

Ankündigung usually means announcement, notice, or statement depending on context.

So Die Ankündigung nennt den freiwilligen Beitrag could mean something like:

• The announcement mentions the voluntary contribution.
• The notice states the voluntary contribution.

The best English translation depends on the situation, but grammatically Ankündigung is the subject of the sentence.

This sentence follows a very basic German main-clause pattern:

• Subject + verb + object

So:

• Die Ankündigung = subject
• nennt = finite verb
• den freiwilligen Beitrag = object

German main clauses normally place the finite verb in the second position, and here the subject happens to come first, so it looks very similar to English.

There are two main clues:

1. It is in the nominative form
   • die Ankündigung can be nominative feminine singular
2. The verb agrees with it
   • nennt is singular, matching die Ankündigung

Meanwhile, den freiwilligen Beitrag is clearly accusative because of den, so it must be the direct object.

Die is capitalized here because it is the first word of the sentence.

Also, Ankündigung and Beitrag are capitalized because all German nouns are capitalized.

So in this sentence:

• Die = capitalized because it starts the sentence
• Ankündigung = capitalized because it is a noun
• Beitrag = capitalized because it is a noun

Yes. In German, nennen can mean several related things, including:

• to name
• to mention
• to state
• to specify

In this sentence, mention or state is often the most natural English choice, depending on context.

So although the core meaning of nennen is related to naming, it is often used more broadly than English name.

The dictionary form would be:

• der freiwillige Beitrag

That is the nominative singular form, which is the form you usually look up in vocabulary lists.

In the sentence, it changes to:

• den freiwilligen Beitrag

because it is the direct object.

If you want to see the basic noun forms, they would be:

• die Ankündigung
• der freiwillige Beitrag

So the sentence contains:

• subject: die Ankündigung
• object: den freiwilligen Beitrag

This contrast is useful to memorize:

• der freiwillige Beitrag → nominative
• den freiwilligen Beitrag → accusative

A rough English-friendly pronunciation is:

• AHN-kün-dee-goong

A few helpful notes:

• ü does not exist in standard English, so learners often need practice with it.
• -ung is pronounced with the ng sound, not like a separate hard g.

If you want to be more precise, the stress is on the second syllable:

• an-KÜN-di-gung

Yes, grammatically it is completely normal, though the vocabulary is somewhat formal or administrative.

Words like:

• Ankündigung
• Beitrag
• freiwillig

often appear in notices, websites, forms, public information, or official communication.

So it sounds natural, especially in written or formal contexts.