Asia Tour 2007 A: Tour of Secret is the first Asia-wide and ninth overall concert tour held by Japanese singer Ayumi Hamasaki, in support of her album Secret (2006). The tour started March 10, 2007, and ended in mid June of the same year, with legs not only in Japan but in other Asian countries as well, making it Hamasaki's first concert tour with non-domestic stops.

Ayumi Hamasaki is a Japanese singer, songwriter, record producer, actress, model, spokesperson, and entrepreneur. By 2002, Hamasaki had earned the nickname "Empress of J-pop" due to her popularity in Japan and throughout Asia, as well as being referred to as "the voice of the lost generation". Due to her success and relevance throughout her career, she is considered one of the top solo female artists of the Heisei era for her influence on the music industry and various fashion trends.