Learn Hardcore Indonesian: Dilarang parkir di depan gerbang sekolah. - Parking is prohibited in front of the school gate.

di depan: neutral, most common for “in front of.”
di hadapan: more formal/literary; often implies “facing,” especially with people/audience.
di muka: older/formulaic; survives in set phrases like di muka umum (“in public”).

Dilarang is the passive form of the verb larang (to forbid/prohibit) with the prefix di-. Literally, it means “is/are prohibited.” On signs it functions impersonally, implying “It is prohibited” without naming who forbids it.

Why is there no subject like “you” or “people” in the sentence?

Public notices in Indonesian commonly use a subjectless passive. Dilarang already encodes “is prohibited,” so the agent and addressee are left implicit. The reader understands the rule applies to them.

Why is it parkir and not memarkir, memarkirkan, or berparkir?

On signs, a bare verb after dilarang is common and idiomatic: Dilarang parkir, Dilarang merokok, etc.
Parkir (a loanword) functions as both a verb and a noun in everyday Indonesian.
If you mention an object, you can use the active forms: memarkir (mobil) or memarkirkan (mobil).
Berparkir exists but is rare in everyday speech.

Is Dilarang untuk parkir correct?