A police substation; a small local police post where officers are stationed, typically responsible for community policing in rural or local areas.
夜道が不安なので、駐在所に相談に行った。
I was uneasy walking at night, so I went to the police substation for advice.
村の駐在所にはいつも数名の警官がいる。
There are always a few officers at the village police substation.
子どもが迷子になり、駐在所に届けられた。
A lost child was taken to the police substation.