context: Coordinates: Patriarchal Basilica of Saint Mark is a cathedral church belonging to the Roman Catholic diocese in the city of Venice northern Italy. [1] It is the city's most famous church and one of the best known examples of Byzantine architecture. It is located on St. Mark's Square (in the San Marco district) and is connected to the Doge's Palace.
question: Where is St. Mark's Church located?
answers.text: Venice