evidence: The Matsu Islands are one of Taiwan’s offshore islands, also known as Mazu 马祖. Geographically they’re a lot closer to China’s Fujian province than they are to mainland Taiwan itself – kinda like Kinmen Island. In fact the Matsu Islands used to be considered a part of China, which is one of the reasons the islands ended up becoming a battlefront in the fight between Taiwan and China. The Matsu Islands doesn’t just refer to a single island, but a collection of islands in Taiwan’s Lienchang County and are generally broken down into 4 areas: