Not to be confused with the St Pauls Tower, a 101m-tall skyscraper in Sheffield

Sheffield

Sheffield is a city and metropolitan borough of South Yorkshire, England. Its name derives from the River Sheaf, which runs through the city. Historically a part of the West Riding of Yorkshire, and with some of its southern suburbs annexed from Derbyshire, the city has grown from its largely...

, UK.
St. Paul's Bay Tower is a fortification

Fortification

Fortifications are military constructions and buildings designed for defence in warfare and military bases. Humans have constructed defensive works for many thousands of years, in a variety of increasingly complex designs...

 on the island of Malta

Malta

Malta , officially known as the Republic of Malta , is a Southern European country consisting of an archipelago situated in the centre of the Mediterranean, south of Sicily, east of Tunisia and north of Libya, with Gibraltar to the west and Alexandria to the east.Malta covers just over in...

, constructed in 1610 overlooking St Paul's Bay. It is one of the Wignacourt towers

Wignacourt towers

The Wignacourt towers are a series of fortifications on the island of Malta built by the Knights of Malta.The initial towers of this type were built under the auspices of Grand Master Fra Aloph de Wignacourt...

, which are named after the Grand Master

Grand Master (order)

Grand Master is the typical title of the supreme head of various orders of knighthood, including various military orders, religious orders and civil orders such as the Ancient Order of Hibernians and the Orange Order...

 of the Knights of Malta

Knights Hospitaller

The Sovereign Military Hospitaller Order of Saint John of Jerusalem of Rhodes and of Malta , also known as the Sovereign Military Order of Malta , Order of Malta or Knights of Malta, is a Roman Catholic lay religious order, traditionally of military, chivalrous, noble nature. It is the world's...

, who commissioned their building. Grand Master Fra Aloph de Wignacourt

Alof de Wignacourt

Fra' Alof de Wignacourt was the 54th Grand Master of the Order of Malta, from 1601 to 1622. He was of the langue of France. His reign was notable for the construction of a number of coastal fortifications , and of the aqueduct that brought water from the plateau above Rabat to Valletta...

 also contributed significantly from his personal funds towards the cost of its construction.

It is a precursor to the later Lascaris

Lascaris towers

Grand Master Juan de Lascaris-Castellar of the Knights of Malta commissioned five towers during the period 1637 - 1640. The locals refer to both the five Lascaris towers and the thirteen later de Redin towers as "de Redin towers"...

 and de Redin towers

De Redin towers

The De Redin Towers are a series of thirteen small fortified watch towers that Grand Master Martin de Redin of the Knights of Malta built on the island of Malta between the year 1658 and 1659...

.