"Wall River"; Latin: Wegelia, formerly Swedish: Östermyra) is a city in Finland and the regional capital of South Ostrobothnia.

Seinäjoki belonged to the church parish of Ilmajoki like Kurikka, Kauhajoki, Jalasjärvi and Alavus.

However, in the 18th century the roads from Seinäjoki to the Church of Ilmajoki were generally in poor condition.

The chapel parish of Peräseinäjoki was founded in 1798, and the village of Alaseinäjoki began to be called Seinäjoki again.

The neighboring municipalities of Seinäjoki are Kauhava in the north, Lapua in the northeast, Kuortane and Alavus in the east, Virrat and Kihniö in the south, Ilmajoki and Kurikka in the west and Isokyrö in the northwest.

Seinäjoki River flows through the city in a south-east-northwest direction and turns at the northern border of the city center, connecting with the Kyrönjoki River,[7] which flows into the Gulf of Bothnia in the Vaasa area.

[12] As English and Swedish are compulsory school subjects, functional bilingualism or trilingualism acquired through language studies is not uncommon.

[15] Its predecessor, Finncomm Airlines, had its head office on the grounds of Seinäjoki Airport in nearby Ilmajoki.

Headquartered in Seinäjoki food company Atria Corporation's net sales in 2009 were EUR 1316 million and it employed an average of 6,214 persons in several countries.

According to a study published by the Economic Survey at the end of 2018, Seinäjoki has the best image among corporate leaders among the 36 largest Finnish cities and municipalities.

The survey had asked the CEOs and CFOs of companies operating in the area about the municipality's affairs.

Rytmikorjaamo is a popular rock club, wherein almost every weekend some Finnish or international artists perform.

The city theatre of Seinäjoki has a wide, quality program throughout the year, offering plays for everyone.

The city orchestra of Seinäjoki performs many concerts in the area and has had many tours in Finland and abroad.

SJK is one of the top football teams in Finland and it plays in the brand new OmaSp Stadion.

Seinäjoki University of Applied Sciences (SeAMK) is the local higher education institution, that also pursues an international profile.