das Polizeirevier
police station
A building or police office responsible for a specific area; a police station.
Er musste seinen gestohlenen Geldbeutel auf dem Polizeirevier melden.
He had to report his stolen wallet at the police station.

police station
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police station
A building or police office responsible for a specific area; a police station.
Er musste seinen gestohlenen Geldbeutel auf dem Polizeirevier melden.
He had to report his stolen wallet at the police station.

'Polizeirevier' (police station) is made up of 'die Polizei' (the police) and 'das Revier' (the district/territory). 'Das Revier' means 'district' or 'area'. The last word determines the article, therefore 'das Polizeirevier' (the police station).
Jeder Stadtteil hat ein eigenes Polizeirevier.
Every district has its own police station.
To describe the location, you use 'auf dem Polizeirevier' (at the police station). For movement in that direction, you say 'zum Polizeirevier' (to the police station). The preposition 'auf' is very common in this context.
Sie musste eine Aussage auf dem Polizeirevier machen.
She had to make a statement at the police station.
Typical actions are associated with a police station, such as 'eine Anzeige erstatten' (to file a report), 'einen Diebstahl melden' (to report a theft), or 'einen Zeugen vernehmen' (to question a witness).
Nach dem Einbruch erstattete sie auf dem Polizeirevier Anzeige.
After the break-in, she filed a report at the police station.
police
'die Polizei' and 'das Polizeirevier' are closely related, but they do not mean the same thing. 'Polizei' usually refers to the whole institution or to the people who work there. It can also mean the building, especially in sentences like 'zur Polizei gehen' (to go to the police station). 'Polizeirevier' more specifically refers to the local police office or the police building for a particular area. The words can be confused when talking about a visit to the police. For the organization, say 'Polizei'; for the specific place, 'Polizeirevier' fits better.

Am Abend ging sie zum Polizeirevier, um den Diebstahl zu melden.
In the evening, she went to the police station to report the theft.
Die Eltern informierten die Polizei, weil ihr Kind nicht nach Hause kam.
The parents informed the police because their child did not come home.