Under the old Soviet propiska system, Russians can vote only in their place of permanent residence, which is usually where they were born unless they have bought property elsewhere.

ECONOMIST: The Russian elections

If you have a permanent place of abode in New York (even though it is not your primary residence) and spend more than 183 days in New York, you are a statutory resident of New York, regardless of your domicile.

FORBES: You Can Be Two Places at Once if One of Them is New York