Rusko is a municipality in the Southwest Finland region of Finland. It is located in the south-western part of the country, within the area surrounding the city of Turku.
As a Finnish municipality, Rusko forms part of the country's local government structure, with its own municipal administration. The Southwest Finland region is one of Finland's nineteen regions and is centred on Turku, the country's oldest city and former capital.
Rusko is one of several smaller municipalities in the immediate vicinity of Turku, alongside neighbouring communities in the same region. Detailed information about its population, area, founding date, and specific attractions is not covered in the available source material.