Botkyrka Municipality ( kommun) is a municipality in Stockholm County in east central Sweden, not far from the capital Stockholm. Its seat is located in the town of Tumba. In 1971 Grödinge was merged with Botkyrka and in 1974 Salem was added. The Salem part was split off again in 1983, and a new Salem Municipality was formed. Botkyrka has an estimated population of 95,592. History. The municipality is named after Saint Botvid, a Christian missionary during the 12th century. Saint Botvid is shown on the seal and coat of arms of Botkyrka Municipality, where he carries an axe and a fish.
https://en.wikipedia.org/wiki/Botkyrka_Municipality