Which OS version will be the best to fit the good old 2008 R2 SQL?

Greetings SQL Heros,

Our current MSSQL version is 2008 R2.

I’m about to move the DB to a new server. Which OS version will be the best to fit the good old 2008 R2 SQL version? Is it Windows Server 2008 R2, Windows 2012, Windows 2016 or Windows 2019?

Thanks!