"Чей регион - коды регионов РФ" is a free Android application developed by Dmitry Belyaev. It falls under the category of Travel & Navigation and belongs to the subcategory of Maps & GPS. The main purpose of this app is to provide a directory of automobile codes for regions in Russia. By entering the code of a region from a car number, users can find out which region the car is registered in. The app also allows users to view the location of the region on Google or Yandex maps.

The interface is simple and user-friendly, making it easy to navigate. The app's directory is up-to-date and accurate, which is essential for car owners who require this information. This app is particularly useful for those who frequently travel by car in Russia, as it provides essential information for navigating the country's roads. Overall, "Чей регион - коды регионов РФ" is a valuable tool for car owners in Russia.