莒光位於列島最南端，包含東、西兩島。東莒島上有國定古蹟東莒燈塔與縣定古蹟大埔石刻，以及福正、大浦兩座傳統閩東聚落。

Juguang includes East Juguang Island and West Juguang Island and locates at the southernmost point of Matsu Islands. There are several historical sites on the islands, including national heritage Dongquan Lighthouse and Lien Chiang County historical reserve Dapu Inscription of East Juguang Island, and plus two traditional East Fujian Villages – Dapu and Fucheng.