[7][8] The islands were renamed based on a quote of a speech by Chiang Kai-shek, "forget not that you're in Ju" (毋忘在莒; Wú wàng zài Jǔ; Ù uông câi Gṳ̄).

It refers to the City of Ju, where the king of Qi prepared a counterattack that retook his country from the State of Yan.

[14] Western Enterprises (西方公司), a CIA front organization, had a communications base on Xiquan (Hsichuan).

[15] After a series of combat readiness tests carried out by MAAG were completed on April 15, 1955, the overall Chinese Nationalist defense preparations for the Matsu Islands were rated as satisfactory.

One of the weaknesses noted was "the seriously understrength regiment garrisoning the Paichuan (White Dog) Islands group".

[7][8] On December 30, 1977, the 6-ton fishing boat Kuanghua 16638 was slammed by a communist vessel near the Liuchuan reefs (劉泉礁) off the coast of Chukuang.

[22] In 2020, undersea communications cables between Nangan and Juguang were damaged by sand dredgers from mainland China on five occasions, disrupting phone and internet services.

Other islands include Linaoyu (林坳嶼) also known as Lintouyu (林頭嶼),[25] Xiniuyu (犀牛嶼), Dayu (大嶼), Xiaoyu (小嶼), and Sheshan (蛇山).

[28] Juguang is across from Meihua Town (梅花镇), Changle District, Fuzhou, Fujian, China (PRC).

Later the military built a dam and formed the Ledao'ao Reservoir for the water needs of residents, defense and irrigation.

The main island has a small Green-sail Seaport (青帆港), two water reservoirs and a middle-elementary school, but are not major tourist attractions.

Juguang can be reached by ferry from Fuao Harbor in Nangan or by helicopter which only operates during the winter and priority on which is given to local residents.