The four Buddhas of the four regions — E. the world of 香積 abundant fragrance where reigns 阿閦 Akṣobhya; S. of 歡喜 pleasure, 寳相 Ratnaketu; W. of 安樂 restfulness, or joyful comfort, 無量壽 Amitābha; and N. of 蓮華莊嚴 lotus adornment, 微妙聲 ? Amoghasiddhi, or Śākyamuni.

A Dictionary of Chinese Buddhist Terms, William Edward Soothill and Lewis Hodous

（名數）東方香積世界阿[門@(人/(人*人))]佛，南方歡喜世界寶相佛，西方安樂世界無量壽佛，北方蓮華莊嚴世界微妙聲佛之稱。

丁福保《佛學大辭典》