Question: The city where Intesa Sanpaolo is based is the capital city of what region in Italy?

Context paragraphs:
Banca Commerciale Italiana: Banca Commerciale Italiana (COMIT), founded in 1894, was once one of the largest banks in Italy.  In 1999 it merged with a banking group consisting of Cassa di Risparmio delle Provincie Lombarde (aka Cariplo; est. 1823) and Banco Ambroveneto, which had merged in 1998.  The bank group changed the name to Intesa-BCI, which BCI temporary became a sub-holding company.  On 1 January 2003, the group's name changed to Banca Intesa.  In 2006 Banca Intesa merged with Sanpaolo IMI, based in Turin, Italy, to form Intesa Sanpaolo.

Banca IMI: Banca IMI is a subsidiary of Intesa Sanpaolo which is specialized in investment banking and capital markets.  The bank can trace its origins to the Istituto Mobiliare Italiano.  IMI merged with Istituto Bancario San Paolo di Torino to form Sanpaolo IMI in 1998 (through which Banca d'Intermediazione Mobiliare was created ), which in turn merged with Banca Intesa in January 2007.  In October Banca IMI (as Banca d'Intermediazione Mobiliare IMI S.p.A.) absorbed the corresponding subsidiary of Intesa: Banca Caboto to become the new Banca IMI S.p.A..

Turin: Turin ( ; Italian: "Torino" , pronounced ] ; Piedmontese: "Turin", pronounced ] ) is a city and an important business and cultural centre in northern Italy.  It is the capital city of the Metropolitan City of Turin (an administrative division of Italy) and of the Piedmont region, and was the first capital city of Italy from 1861 to 1865.  The city is located mainly on the western bank of the Po River, in front of Susa Valley, and is surrounded by the western Alpine arch and Superga Hill.  The population of the city proper is 886,837 (31 December 2016) while the population of the urban area is estimated by Eurostat to be 1.7 million inhabitants.  The Turin metropolitan area is estimated by the OECD to have a population of 2.2 million.

Metroweb: Metroweb S.p.A. is a fiber-optic network operator based in Milan, Italy.  In 2011 it was acquired by F2i Metropolis, a sub-holding company for F2i First Fund (via F2i Reti TLC) and Intesa Sanpaolo (via IMI Investimenti).  The current owner of the company was Metroweb Italia, a sub-holding company for F2i First Fund and Italian Strategic Fund.

Ca' de Sass: The Ca<nowiki>'</nowiki> de Sass (in Milanese: "house of stone") is a monumental 19th century building of Milan, Italy, located close to the city centre, at numbers 6 and 8 of Via Monte di Pietà.  It used to be the seat of Cariplo, a former Italian bank, now merged into Intesa Sanpaolo.

Palazzo Leoni Montanari, Vicenza: The Palazzo Leoni Montanari is a late Baroque palace located in Contra’ San Corona number 25 in central Vicenza in the Veneto region of Italy.  It now houses exhibition rooms, meeting places, and art collections owned by the bank Intesa Sanpaolo.

Former headquarters of Banca Monte Parma: The former Sede Centrale della Banca del Monte di Parma was the headquarters of Banca Monte Parma, located in the corner of Piazzale Battisti and Strada Cavour in central Parma, Emilia-Romagna region, Italy.  In 1978 the headquarters was moved to 1 Palazzo Sanvitale.  The location on 3/A Strada Cavour remained as the main branch in the city.  Since 2015 the building became a branch of Intesa Sanpaolo.

Torre Intesa Sanpaolo: Torre Intesa Sanpaolo in Turin, Italy is a skyscraper as well as the headquarters for the banking group Intesa Sanpaolo.

Andrea Beltratti: Andrea Beltratti (born February 9, 1959, Turin, Italy) is professor at Bocconi University, director of the Executive Master in Finance - EMF at SDA Bocconi School of Management and Chairman of Eurizon Capital.  He has been Chairman of the Management Board of Intesa Sanpaolo until May 2013.

Intesa Sanpaolo: Intesa Sanpaolo is a banking group resulting from the merger between Banca Intesa and Sanpaolo IMI based in Torre Intesa Sanpaolo, Turin, Italy.  It has clear leadership in the Italian market and a minor but growing international presence focused on Central-Eastern Europe, the Middle East and North Africa (97% of the bank's revenue from Europe and 86% of all loans to customers come from business in Italy).  When it was formed in 2007 it overtook Unicredit Group as the largest bank in Italy with 13 million customers and $690 billion worth of assets.  By 2010 its assets had grown to $877.66 billion 26th highest among all of the world's companies.  The company is a component of the Euro Stoxx 50 stock market index.

Supporting paragraphs: Intesa Sanpaolo Turin
Answer: Piedmont