Beigan Township, part of the northern Matsu Islands, is officially administrated as Lienchiang County by the Republic of China (Taiwan). Matsu Beigan Airport set here as gateway between the Taiwan Island and the Matsu Islands.

• Due to political concerns and pressures from the People's Republic of China (PRC), there is no direct link between mainland China and Taiwan currently. This township serves as one of the Three mini-links (小三通) to mainland China.
• Area:7.1 km²
• Population: 1815 (2007)