The is a 9 hectares arboretum

Arboretum

An arboretum in a narrow sense is a collection of trees only. Related collections include a fruticetum , and a viticetum, a collection of vines. More commonly, today, an arboretum is a botanical garden containing living collections of woody plants intended at least partly for scientific study...

 and botanical garden

Botanical garden

A botanical garden The terms botanic and botanical, and garden or gardens are used more-or-less interchangeably, although the word botanic is generally reserved for the earlier, more traditional gardens. is a well-tended area displaying a wide range of plants labelled with their botanical names...

 located in the southern tip of the Okinawa Commemorative National Government Park (Ocean Expo Park) at Ishikawa 424, Motobu-cho

Motobu, Okinawa

is a town located in Kunigami District, Okinawa, Japan.As of 2003, the town has an estimated population of 14,481 and a density of 266.69 persons per km²...

, Kunigami-gun

Kunigami District, Okinawa

is a district located in Okinawa, Japan. Roughly translated, kunigami means "head of the country", referring to its northern location on the island of Okinawa. Compare this to Shimajiri District, Okinawa....

, Okinawa, Japan

Japan

Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

. It is open daily without charge.

The arboretum was established in August 1976 on the site of the 1975 Okinawa Ocean Expo

Expo '75

Expo '75 was a World's Fair held on the island of Okinawa in Japan from July 20, 1975 to January 18, 1976.-History :...

, and describes itself as the only tropical and subtropical arboretum in Japan with Okinawan climate. Its mission is education and the promotion of the urban afforestation, with sample gardens including nearly 37,500 plants representing 320 species of tropical and subtropical plants. Major arboretum features include an herb

Herb

Except in botanical usage, an herb is "any plant with leaves, seeds, or flowers used for flavoring, food, medicine, or perfume" or "a part of such a plant as used in cooking"...

 garden, hedge & vine

Vine

A vine in the narrowest sense is the grapevine , but more generally it can refer to any plant with a growth habit of trailing or scandent, that is to say climbing, stems or runners...

 area, ground cover area, street trees, and sections for salt and wind tolerant trees, palm trees, and bushes.