This is the 824th most frequent Bulgarian word.
държавна
State or governmental.
In this sentence, "държавна" is an adjective modifying "институция" (institution), describing it as belonging to or operated by the state.
Държавна институция работи за благото на обществото.
A state institution works for the welfare of society.
Here, "държавна" modifies "политика" (policy), indicating that the policy pertains to or is associated with the state or government.
Тя изучава държавна политика в университета.
She studies state policy at the university.
In this sentence, "държавна" precedes and describes "собственост" (property), conveying that the property is owned by or under the jurisdiction of the state.