Ferrara is a city located in northern Italy and the capitol of the Province of Ferrara. The city became of great importance during the Renaissance. It housed significant artistic names of the period, such as Andrea Mantegna, Pierro della Francesca, and Jacopo Bellini. Those artists are also known for decorating the palaces of the House of Estes, which hosted the court of the House of Estes. Ferrara was the first Renaissance city to be developed following a complex urban plan, a humanist concept that began in 1492 and adhere the principles of perspective. Under the rule of the House of Estes, Ferrara became a capital for arts, religion, and economics.  

Ferrara was also home to the Fifth Duke of Ferrara, Alfonso II d’Este (1533-1598). The Duke was married to Lucrezia di Cosimo de’Medici. Many scholars believe that the Duke represented in Robert Browning’s poem My Last Duchess is in fact Alfonso II d’Este.  

Source: 

https://www.britannica.com/place/Ferrara-Italy