South Ostrobothnian dialect (Finnish: Etelä-Pohjanmaan murre) is a Western Finnish dialect. It is traditionally spoken in the region of South Ostrobothnia and parts of Coastal Ostrobothnia.[1] The South Ostrobothnian dialect has many features that are unique to the region of South Ostrobothnia.[2]
South Ostrobothnian is surrounded by 4 different forms of speech, Savonian, Tavastian, Southwestern Finnish (Northern Satakunta) and Swedish. Savonian has mainly influenced eastern South Ostrobothnian, Tavastian has influenced southeastern South Ostrobothnian and western South Ostrobothnian was influenced more by Swedish.[3]