Ahmed El-Sharkawy's 'Geography of the Ottoman States' provides an in-depth geographical analysis of the vast Ottoman Empire. This essential work meticulously maps out the diverse regions, administrative divisions, and strategic locations that defined the empire's immense territory over centuries. El-Sharkawy illuminates how geographical features, climate, and natural resources profoundly influenced the Ottoman Empire's military strategies, economic development, and cultural interactions across its expansive domains. It offers crucial insights for scholars and enthusiasts alike into the profound interplay between geography and the rise, sustained power, and eventual transformation of one of history's most enduring empires.