© 2021, Turk Dil Kurumu. All rights reserved.The main purpose in this study is to determine the spatial pattern of some characteristic vocal tones that are used in rural areas, which are not used in today’s common spoken language and written language, and also to establish whether local sub-groups by using these vocal tones. Data were collected from villages in Eskişehir locality in June-September 2013 by face-to-face interview method, after which the interview data were transcribed. In these texts, palate n (/ŋ/), wheezing ha (/x/) and open e (/ä/) in vocal tones were detected. According to the results;/ŋ/ vocal tone and/x/ vocal tone show global positive spatial correlation,/ä/ vocal tone is distributed randomly over the whole region./ŋ/ vocal tone is spoken by Manavs, Yoruks and Turkmens which has also been proven by statistical methods. The spoken of/x/ vocal tone is significant for Yoruks and Turkmens. Turkmens use the/x/ vocal tone more than Yoruks./ä/ vocal tone is more spoken by Balkan immigrants. This study is one of the first studies quantitative research method was used to understand the relationship with characteristic vocal tones and local constituents. This study provides a new quantitative research methods perspective to researchers studying on the issue of dialect features, dialectology and geolinguistics.