BC and AD are abbreviations for before Christ and Anno Domino mean before the Christ's birth after the Christ's birth
Standard DVDs. 1  Region 1: U.S., U.S. Territories, Canada, and Bermuda. 2  Region 2: Japan, Europe (excluding Russia, Belarus and Ukraine), Greenland, South Africa, Swaziland, Lesotho, Egypt and the Middle East. 3  Region 3: Southeast Asia, South Korea, Taiwan, Hong Kong and Macau.
WHO regions: WHO Member States are grouped into 6 WHO regions: African Region, Region of the Americas, South-East Asia Region, European Region, Eastern Mediterranean Region, and Western Pacific Region. See map and the Notes sheet in each spreadsheet for more information.