Studying the origins of the formation of the ethnos of a certain territory contributes to the determination of an integral historical picture. Therefore. the main goal of the work is to analyze the establishment of the Slav population in Western and North-Eastern Kazakhstan in the XVIII century. To achieve this goal. https://www.roneverhart.com/DPA-d-fine-Slim-Capsule-Headset-Mic-Single-Ear-40mm-Boom-Interchangeable-Black-p7600/