Zoroastrianism was founded by Zarathrustra (ZoroasterProphet / founder of Zoroastrianism. in GreekLingu Franca of the ancient near east ) in Persia between 1500-1200BCE. There are several thousand Zoroastrians still in the old country, Iran but most Zoroastrians are now concentrated in India. There are also significant numbers of adherents in Canada and the USA, but London has the largest Zoroastrian community of any city outside the old country about 5,000. The total number of adherents worldwide is between 150,000 - 200,000.

The resources contained in the list of subjects to the left are a basic introduction to the facts and beliefs of Zoroastrianism. They are a portal or window into the world Zoroastrianism and by following the weblinks and bibliographies, an enquirer may discover more and more about this faith. Technical words are highlighted and these will lead to more detailed definitions.

The 24 units are based on the QCA non-statutory framework for Religious Education and provide not only a comprehensive guide to the factual and belief structures of Zoroastrianism, but also address the issues that Zoroastrianism encounters as it engages with the 21st century.