Save Type Surname Usage Japanese (Rare) Scripts 西安(Japanese Kanji) にしやす(Japanese Hiragana) Pronounced Pron. /ɲ̟i.ɕi.jä.sɨ/ [key·simplify] Meaning & History From Japanese 西 (nishi) meaning "west" and 安 (yasu) meaning "peaceful, tranquil, safe, simple, ammonium". The fact that it is homographic as Japanese 西安 (Shīan) meaning "Xi'an", a city in Shaanxi, China, is coincidental.