The Book of Paths and Kingdoms is a geographical book from the ninth century AD written by Al -Qasim Ubayd Allah bin Abdullah Ibn Khrdahaba, which came in a description of the countries and administrative divisions. Ibn Khuraddah said in the first thing: This is a book in which the attribute of the earth, the structure of creation on it, and the kiss of the people of each country, the kingdoms and the paths, and every quarter of the northern and southern seven regions, and Ptolemy mentioned in his book that the cities of the earth during his reign were four thousand and two hundred cities.