Where can I get the database of regions and settlements of Russia?

Question

PHP

I need to write a script that will issue a region code for any locality in Russia.
That is, you need a base ['region code', 'location'].
Where can I get such a base?

Answer 1

By api with VK

Answer 2

dadata.ru

Answer 3

Where can I download a database of regions and localities in Russia?

Answer 4

fias.nalog.ru