Where can I get an up-to-date database of cities indicating the districts of the city?

Question

Database

Minimum task: Where can I get an up-to-date database of all Russian cities with indication of city districts?
Maximum task: There are districts in Moscow, which include districts of the city. In some cities, the division is only into microdistricts. Ideally, it would be good to get information about all the streets of cities with reference to districts, districts and microdistricts. If there is more information about metro stations, then in general there will be no limit to my delight.
In the Fias database, I found cities, streets, houses. And I did not find bindings for districts and districts.

Answer 1

In my projects, I use hints / standardization of the dadata.ru service very conveniently. true standardization 0.10 kop item.

Answer 2

I haven't been interested in this for a long time. Maybe these answers will help you: Database of cities, countries and regions without duplicates in English

Answer 3

Here