淡路島
Currently, 70% of all of Japan's incense is manufactured on a small island south of Osaka called Awaji Island. The history extends back to 1850 in Ei of the city of Awaji in 1850 when Senshuu Sakai manufacturing technology was introduced. At the time, Ei was a military run trade port for the Tokushima Clan, which opened the door to the import and sale of raw materials used in making incense. Over time, the incense made in Awaji Island became renowned throughout Japan. The main reason incense manufacturing took root in Awaji Island is because of its nishi-kaze (west wind). This strong seasonal wind hampers the fishing industry, giving rise to the necessity for cottage industries such as incense making. This wind is also great for drying incense.