noun
Refers to property owned by a public entity, such as a government or municipality, as opposed to private property.
この公園は公有物なので、誰でも自由に利用できます。
This park is public property, so anyone can use it freely.
公有地 specifically refers to public land, while 公有物 is a broader term for any public property.
Compound of 公有 (こうゆう, 'publicly owned') and 物 (ぶつ, 'thing, object').