Table:
text: Dukedoms in Portugal
List
List
Title Date_of_creation Surname First_titular_
Duke of Abrantes December 9, 1753 Lorena Ana Maria Catarina Henriqueta de Lorena
Duke of Albuquerque May 19, 1886 Costa de Sousa de Macedo João Afonso da Costa de Sousa de Macedo
Duke of Aveiro b. 1535 Lencastre , Mascarenhas da Silva e Lencastre John of Lencastre, 1st Marquis of Torres Novas
Duke of Ávila and Bolama May 14, 1878 Ávila António José de Ávila
Duke of Barcelos August 5, 1562 Bragança John, 6th Duke of Braganza
Duke of Beja 1453 Portugal-Aviz , Bragança Ferdinand, Duke of Viseu
Duke of Braganza 1442 Bragança Afonso, Count of Barcelos

text: Dukedoms in Portugal
List
List
Title Date_of_creation Surname First_titular_
Duke of Cadaval April 26, 1648 Álvares Pereira de Melo Nuno Álvares Pereira de Melo
Duke of Caminha December 14, 1620 Menezes Miguel Luís de Menezes
Duke of Coimbra 1415 Portugal-Aviz , Lencastre , Bragança Pedro, Prince of Portugal
Duke of Faial April 4, 1833 Sousa Holstein Pedro de Sousa Holstein
Duke of Ficalho May 14, 1836 Almeida Eugénia Maurícia Tomásia de Almeida Portugal
Duke of Goa 1515 Albuquerque Afonso de Albuquerque
Duke of Guarda October 5, 1530 Portugal-Aviz Ferdinand, Prince of Portugal
Duke of Guimarães 1475 Bragança Fernando II, Duke of Braganza
Duke of Lafões February 17, 1718 Bragança , Bragança e Ligne de Sousa Tavares Mascarenhas da Silva Pedro Henrique de Bragança

text: Dukedoms in Portugal
List
List
Title Date_of_creation Surname First_titular_
Duke of Linhares ? Noronha Fernando de Noronha
Duke of Loulé October 3, 1852 Mendonça Rolim de Moura Barreto Nuno José Severo de Mendonça Rolim de Moura Barreto
Duke of Miranda do Corvo May 13, 1796 Bragança e Ligne de Sousa Tavares Mascarenhas da Silva José Sousa Tavares Mascaranhas da Silva
Duke of Palmela October 10, 1850 Sousa Holstein Pedro de Sousa Holstein
Duke of Porto 1833 Bragança Maria, Princess of Portugal , (future Queen Maria II)
Duke of Saldanha November 4, 1846 Saldanha Oliveira e Daun João Francisco de Saldanha Oliveira e Daun
Duke of Tancos April 22, 1790 Manoel Constança Manoel

text: Dukedoms in Portugal
List
List
Title Date_of_creation Surname First_titular_
Duke of Terceira November 8, 1832 Manoel e Meneses Severim de Noronha António José de Sousa Manoel e Meneses Severim de Noronha
Duke of Torres Novas September 26, 1619 Lencastre George of Lencastre
Duke of Trancoso 1530 Portugal-Aviz Ferdinand, Prince of Portugal
Duke of Vila Real February 28, 1585 Menezes Manuel de Menezes
Duke of Viseu 1415 Portugal-Aviz Henry, the Navigator, Prince of Portugal
Duke of Vitória December 12, 1812 Wellesley Arthur Wellesley, Duke of Wellington

Question: How many duchies are there in total in Portugal?

Question: How many duchies are listed in Portugal?