The Hokuriku Main Line is a 45.9-kilometer (28.5 mi) railway line owned by the West Japan Railway Company connecting Maibara Station in Maibara, Shiga, with Tsuruga Station in Tsuruga, Fukui. The line formerly extended as far as Naoetsu Station in Joetsu, Niigata; however, the section between Tsuruga Station and Naoetsu Station is now operated by several third-sector railway companies. The line links the Hokuriku region on the northern central coast of Honshu, the largest island of Japan, to the regions of Kansai, Tōkai, Kantō, and Tōhoku.

The West Japan Railway Company, also referred to as JR West , is one of the Japan Railways Group companies and operates in western Honshu. It has its headquarters in Kita-ku, Osaka. It is listed in the Tokyo Stock Exchange, is a constituent of the TOPIX Large70 index, and is also one of only three Japan Railways Group constituents of the Nikkei 225 index: the others are JR East and JR Central. It was also listed in the Nagoya and Fukuoka stock exchanges until late 2020.