Complex sentence: It occupies a neogothic church building at the corner of "Frankfurter Straße" and "Kleine Wilhelmstraße", which was built in 1863 for British subjects taking the waters at the international spa of Wiesbaden.
Split into simpler sentences: It occupies a neogothic church building at the corner of "Frankfurter Straße" and "Kleine Wilhelmstraße". The church was built in 1863 for British subjects taking the waters at the international spa of Wiesbaden.