Dialect Atlas and measuring Dialect distances in Yazd

This article aims at preparing the dialect atlas for Yazd province and measuring the distance between dialects according to principles of dialectometry. Descriptive-analytic method is used. The data has been gathered from 15 locations through systematic random sampling, in 8 counties of Hamedan, using a questionnaire consisted of 149 words and phrases and 44 basic sentences. 25 words claasified in four main catheories(nature, family, animals, time) have been chosen using random sampling method. lexical varieties and their distributions have been shown in 5 location- symbol Dialect Atlases. According to distance matrix and the resulted dendogram, the dialect distance between locations 5, 6, 7, and 8 in Behabad and Bafgh Counties is the least with lexical similarity of 76 percent. Lexical similarity between dialects in Malayer and Nahavand are more than other counties. Lexical variation in “time” category is the highest (44 %), and in “animals” is the lowest (12%).