Sian or Siyan may refer to: People. Siân, a Welsh girl's name; list of people with this name. Places. Sian, Iran (disambiguation), various places in Iran, Iraq and Balochistan. Sian, Russia, a rural locality in Amur Oblast, Russia. Xi'an, China, formerly romanized as Sian. Sen (river), Yakutia, Russian Federation. Other uses. Sian (band), Scottish traditional music band. Sian (crater), a crater on Mars. Sian language, a Kajang language of Brunei and Sarawak. SIANspheric, Canadian band formerly named Sian.
https://en.wikipedia.org/wiki/Sian