Aioi (相生) is a city in Hyogo. Understand Get in Aioi Station is served by the Sanyo Shinkansen. The JR Sanyo Main Line and the Ako Line also run through Aioi. Aioi Station. 2023-02-11 Nishi-Aioi Station. 2023-02-11 Get around See Kanjōsan Castle. Remains of a Muromachi period castle built in the 13th century. 2023-02-11 Do Buy Eat Diamond. Drink Sleep Connect Go next Ako Tatsuno Kamigori Taishi Himeji Bizen Setouchi Wake Akaiwa