1.
public order; public safety; security
The state of peace and order in a society, maintained through law enforcement and social stability. Refers to the overall safety and security of a region or community.
Usage
治安 is the standard word for discussing the safety and security of an area. The most common patterns are 治安がいい (safe area) and 治安が悪い (unsafe area). This is one of the first words travelers and residents learn for evaluating neighborhoods. Japan is often described as a country with excellent 治安.