Based on the historical data offered by 750 postcards published in 1900-1914 era this book illustrates the story of the Armenians who lived in the borders of modern Turkey at the beginning of the 20th century. The cities towns villages and districts inhabited by Armenians their role in the Ottoman economical and social life their churches schools and monasteries along with the papers and periodicals published by Armenians are displayed through a research using for the first time the Armenian Turkish and western sources.