The Patriarchal Cathedral Basilica of Saint Mark, commonly known as St Mark's Basilica, is the cathedral church of the Patriarchate of Venice; it became the episcopal seat of the Patriarch of Venice in 1807, replacing the earlier cathedral of San Pietro di Castello. It is dedicated to and holds the relics of Saint Mark the Evangelist, the patron saint of the city.

Piazza San Marco, often known in English as St Mark's Square, is the principal public square of Venice, Italy, where it is generally known just as la Piazza . Almost all the other urban spaces in the city (except the Piazzetta and the Piazzale Roma) are called campi. The Piazzetta is an extension of the Piazza towards San Marco basin in its southeast corner. The two spaces together form the social, religious and political centre of Venice and are referred to together. This article relates to both of them.

The Doge's Palace is a palace built in Venetian Gothic style, and one of the main landmarks of the city of Venice in northern Italy. The palace was the residence of the Doge of Venice, the supreme authority of the former Republic of Venice. It was built in 1340 and extended and modified in the following centuries. It became a museum in 1923 and is one of the 11 museums run by the Fondazione Musei Civici di Venezia

The Grand Canal is a channel in Venice, Italy. It forms one of the major water-traffic corridors in the city. One end of the canal leads into the lagoon near the Santa Lucia railway station and the other end leads into the basin at San Marco; in between, it makes a large reverse-S shape through the central districts (sestieri) of Venice. It is 3.8 km (2.4 mi) long, and 30 to 90 m (98 to 295 ft) wide, with an average depth of 5 metres (16 feet)

Venice is a city in northeastern Italy and the capital of the Veneto region. It is built on a group of 126 islands that are separated by expanses of open water and by canals; portions of the city are linked by 472 bridges. The islands are in the shallow Venetian Lagoon, an enclosed bay lying between the mouths of the Po and the Piave rivers (more exactly between the Brenta and the Sile). In 2020, around 258,685 people resided in greater Venice or the Comune di Venezia, of whom around 51,000 live in the historical island city of Venice (centro storico) and the rest on the mainland (terraferma). Together with the cities of Padua and Treviso, Venice is included in the Padua-Treviso-Venice Metropolitan Area, which is considered a statistical metropolitan area, with a total population of 2.6 million