The term 'SULTANA' is a title given to the WIFE of a Sultan, which is a ruler of a Muslim country. The title is derived from the Arabic word for 'WIFE' and is often used to refer to the female ruler of a Muslim country. In some cases, the title is also used to refer to the mother of a Sultan. The title is most commonly associated with the Ottoman Empire, where it was used to refer to the wives of the Sultans.