Ostrya japonica, known as East Asian hophornbeam,[1] or Japanese hop-hornbeam, is a species of tree in the Betulaceae family growing to 25 m tall.

It is native to Japan, Korea and China.

In China, it occurs in temperate forests of southern Gansu, Hebei, Henan, Hubei, and Shaanxi provinces at altitudes between 1,000–2,800 metres (3,300–9,200 ft).

[2] In Japan it is known as Asada (浅田).