The Middle East is a historical and political region of Afro-Eurasia with no clear boundaries. The term "Middle East" was popularized around 1900 in the United Kingdom; it has a loose definition traditionally encompassing countries or regions in Western Asia and parts of North Africa. The corresponding adjective to Middle East is Middle-Eastern and the derived noun is Middle-Easterner.
The history of the Middle East dates back to ancient times, and throughout its history the Middle East has been a major center of world affairs. The Middle East is also the geographic origin of three of the world’s major religions - Christianity, Islam, Judaism. The Middle East generally has an arid and hot climate, with several major rivers providing for irrigation to support agriculture in limited areas. Many countries located around the Persian Gulf have large quantities of crude oil. In modern times the Middle East remains a strategically, economically, politically, culturally, and religiously sensitive region.