It will feature a bouncy castle, free hot dogs, guided tours of the Greenwich Public Safety Complex and more.
Festivities run from from 10 a.m. to 2 p.m. at police headquarters on Bruce Place.
The family friendly event is designed to give the community the opportunity to interact with members of the department in a fun, relaxed and social setting.
"Come and meet the Greenwich Police Officers and tour our building," organizers announced in a statement.
Emergency vehicles and equipment will be on display.
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