Fortified Church of St. Arbogast
Muttenz, Switzerland
The Fortified Church of St. Arbogast (Wehrkirche St. Arbogast) in the municipality of Muttenz in the Swiss canton of Basel-Land is the only church in Switzerland that is surrounded by a defensive wall. It is an example of the fortified church type of construction, and is a Swiss heritage site of national significance. The church is still used as a local village church.
Church data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).