Rome, January 25 - Iranian President Hassan Rouhani on Monday arrived in Rome for a three-day official visit to Italy. It is his first trip since the recent accord on Iran's nuclear programme and as such will be keenly watched. Rouhani, who leads a delegation of six ministers and 120 businessmen and public-sector managers, will be received by President Sergio Mattarella at noon and the pair will then have a working lunch together. Rouhani is scheduled to meet Premier Matteo Renzi at 19:00. On Tuesday he will meet the Speakers of the Senate and Lower House, Pietro Grasso and Laura Boldrini, and at 11:00 will be received in the Vatican by Pope Francis.