This book provides an up-to-date, comprehensive overview of Eastern Christian churches in Europe, the Middle East, Africa, Asia, Australia and the US. Written by leading international scholars in the field, it examines both Eastern Orthodox and Oriental churches from the end of the Cold War until the present day. The book addresses a number of key issues, including the religious revival after the fall of communism; relations between churches and the political realm; religious education; monastic life; theological publications; and inter-ecclesiastical dialogue at national and international levels. It goes on to analyse new challenges faced by Eastern Christian churches, such as religious minorities; religious boundaries and migration; relations with the European Union; and, the impact of globalisation on Eastern Christianity in the twenty-first century.