Linköping is a city in southern Sweden, with 104,232 inhabitants in 2010. It is the seat of Linköping Municipality and the capital of Östergötland County. Linköping is also the episcopal see of the Diocese of Linköping (Church of Sweden) and is well known for its cathedral. Linköping is the center of an old cultural region and celebrated its 700th anniversary in 1987. Dominating the city's skyline from afar is the steeple of the cathedral.