La palabra “España” se escribe con mayúscula.

Because the sentence is talking about the word itself, not about Spain as a country.

• España = Spain
• la palabra España = the word España

In English, we often do the same thing:

• The word “Spain” is capitalized.

So La palabra makes it clear that this is a statement about spelling/writing.

Because palabra is a feminine noun in Spanish, so it takes the feminine article la.

• la palabra = the word

This is something you simply have to learn with the noun:

• el libro
• la casa
• la palabra

Se escribe means is written.

In this sentence, se is not really reflexive in the English sense. It is part of a very common Spanish structure used to give a general or impersonal idea:

• Se escribe con mayúscula. = It is written with a capital letter.
• Se dice… = It is said…
• Se usa… = It is used…

So La palabra España se escribe con mayúscula literally means:

• The word España is written with a capital letter.

Yes, you can think of it as a kind of passive structure, often called the passive se.

Compare:

• La palabra España se escribe con mayúscula.
• The word España is written with a capital letter.

Spanish often prefers this se structure where English might use is written, is spoken, is used, etc.

Because the usual Spanish expression is escribirse con mayúscula or con minúscula.

• con mayúscula = with a capital letter / in uppercase initial form
• con minúscula = with a lowercase letter

This is just the normal collocation in Spanish.

You may also see:

• en mayúsculas = in capital letters / in all caps

So there is a difference:

• España se escribe con mayúscula.
  = España starts with a capital letter.

• ESPAÑA está en mayúsculas.
  = ESPAÑA is written entirely in capitals.

Because here it means with a capital letter, usually referring to the initial capital.

So:

• con mayúscula = with a capital letter
• en mayúsculas = in capital letters / all caps

In España, only the first letter is capitalized, so the singular makes sense.

Mayúscula means capital letter or uppercase.

Related words:

• mayúscula = capital letter / uppercase
• minúscula = lowercase letter

Examples:

• Madrid se escribe con mayúscula.
• casa se escribe con minúscula.

In standard Spanish, con mayúscula is the better and more natural choice for this meaning.

If you say en mayúsculas, that usually means the whole word is written in capitals:

• ESPAÑA está escrita en mayúsculas.

So for a normal capitalized word like España, con mayúscula is the standard phrasing.

Because names of countries are proper nouns, and proper nouns are written with a capital initial letter in Spanish, just as in English.

Examples:

• España
• Francia
• Portugal

So the sentence is teaching a spelling rule: España begins with a capital letter.

Yes, when it refers to the country, it is normally capitalized because it is a proper noun.

• Vivo en España.
• España está en Europa.

If you are talking about the country, the capital letter is required.

Because the sentence is referring to the word itself as a word.

When we mention a word rather than use it normally, Spanish often puts it in quotation marks, italics, or some other marked form.

So España is being presented as a word under discussion, not just as the name of the country inside a normal sentence.

No. España does not have a written accent mark.

What it does have is the letter ñ, which is a separate letter in Spanish, different from n.

So:

• España = correct
• Espana = incorrect

The ñ is essential.

No. In Spanish, ñ is considered a separate letter, not just an n with decoration.

It represents a different sound.

Compare:

• ano and año are different words
• pena and peña are different words

So in España, the ñ is part of the correct spelling of the word.

Yes, that is possible, and native speakers would understand it.

But La palabra España se escribe con mayúscula is more explicit because it clearly says that we are talking about the word España, not making a statement about the country itself.

So the version with La palabra is especially useful in grammar or spelling explanations.

Because when España is being named as a word, it does not need an article there.

• La palabra España = the word España

This works similarly in English:

• the word Spain, not usually the word the Spain

So España appears by itself as the word being mentioned.

The structure is:

• La palabra “España” = subject
• se escribe = verb phrase
• con mayúscula = complement

So literally:

• The word “España”
  • is written
    • with a capital letter

This is a very common pattern in Spanish for giving spelling or usage rules.