Viborg and Nyslott County

Viborg and Nyslott County (Swedish: Viborgs och Nyslotts län, Finnish: Viipurin ja Savonlinnan lääni) was a county of the Swedish Empire from 1634 to 1721. The county was named after the castle towns of Viborg (Finnish: Viipuri) and Nyslott (Finnish: Savonlinna, literally New Castle), today located in the towns of Vyborg in Russia and Savonlinna in Finland.