Nintendo eShop currently not available in Russia

The Nintendo Switch eShop is currently not available in Russia.

on the Russian website of Nintendo You can read that the eShop is temporarily in maintenance mode. The company processing the payment no longer accepts Russian rubles.

It does not appear to be a conscious choice on Nintendo’s part: “We apologize for any inconvenience this may cause.”
Many other companies, such as Microsoft and CD Projekt Red, deliberately stop selling games in Russia. It has everything to do with the conflict in Ukraine.