Köyliö

Köyliö is a former municipality of Finland. It was merged to the municipality of Säkylä on 1 January 2016.
It was located in the Satakunta region. The population of Köyliö was and covered a land area of. The population density was.
The municipality was unilingually Finnish.
It is said that the peasant Lalli murdered the English bishop Henry on the ice of Lake Köyliö in 1156 AD, during the first Swedish Crusade into Finland. A statue to Lalli was erected at Köyliö in 1989.

Notable people

Emil Cedercreutz, Baron and sculptor
Harri Eloranta, biathlete
Wilho Laine, carpenter and politician
Petteri Orpo, politician; the current prime minister of Finland
Jutta Rantala, football player

Twinnings

Before the 2016 consolidation, Köyliö was twinned with;