こうえん公園kouen
1.

A designated area in urban or suburban settings that features greenery and facilities for recreation, providing a space for the community to relax and enjoy outdoor activities.

2.

A region that preserves natural elements such as animals, forests, or ponds in a state close to nature, serving as a recreational space for visitors.

3.

An area managed by government entities with a focus on conserving the natural landscape while minimizing artificial constructions, often referred to as a national park or natural reserve.

4.

A public garden primarily located in or around cities, where citizens can take leisurely walks and enjoy moments of rest and recreation.

Example:

この公園はすべての人に公開されている。

こくりつこうえん国立公園kokuritsukouen
1.

A designated area established and managed by the government to protect and preserve outstanding natural landscapes and ecosystems, offering opportunities for recreation and tourism.

2.

A large natural region officially recognized by the state, specifically aimed at safeguarding significant beauty and biodiversity, while facilitating public enjoyment and educational activities.

3.

A governmental designation for areas of remarkable natural beauty in Japan, set apart to conserve their environmental value and to enhance visitors' experiences through responsible management.

Example:

この国立公園には景色のいい所がたくさんある。

こくていこうえん国定公園kokuteikouen
1.

A designated natural area recognized for its scenic beauty and ecological importance, specifically established by the Minister of the Environment and administered by local prefectures.

2.

A type of protected area that, while not classified as a national park, offers similar protections and is focused on conserving and showcasing natural landscapes.

3.

A region marked by significant natural beauty that has been officially designated for preservation and managed under specific guidelines to maintain its environmental integrity.

かいちゅうこうえん海中公園kaichuukouen
1.

A designated area in the ocean that serves to protect marine life and ecosystems, while also providing opportunities for research and public enjoyment of underwater landscapes.

2.

A natural park located beneath the sea, established within national or quasi-national parks, aimed at conserving the ocean's natural beauty and biodiversity, allowing visitors to observe and appreciate aquatic environments.

しんりんこうえん森林公園shinrinkouen
1.

A type of public park that emphasizes and incorporates natural forested areas, providing a space for relaxation and recreation within a wooded environment.

2.

A specific national park located in Nagakawa, Saitama Prefecture, established in 1974 to commemorate the centennial of the Meiji era, known for its ecological significance and diverse flora and fauna.