Metsämaa is located on the banks of the river Kojonjoki (Koijoki, Koenjoki) which begins from Koijärvi and discharges into the Loimijoki near Alastaro.

The municipality of Metsämaa bordered Punkalaidun, Humppila, Ypäjä and Loimaan kunta.

[1] Metsämaa was originally a part of the Loimaa parish.

[2] Metsämaa gained chapel rights in 1777 and a church was built in the village.

The school was established in 1881 and consists of the original building and a newer one built in the 1940s.