Karenkō Prefecture (花蓮港廳, Karenkō-chō) was one of the administrative divisions of Taiwan during Japanese rule.

The prefecture consisted of modern-day Hualien County.

The districts are divided into towns (街) and villages (庄) Karenkō Shrine was a Shinto shrine located in Hualien City, Hualien County (formerly Karenkō city, in Taiwan during Japanese colonial rule.

After World War II, the shrine became a martyrs' shrine honoring Taiwan's heroes such as Tei Seikō, Liu Yongfu, and Qiu Fengjia.

In 1981, the shrine was demolished to make way for the Hualien Martyrs' Shrine which was built in the Northern Palace Architecture style.