Monza is a city in the Lombardy region of Italy some 15 km north-northeast of Milan. Monza is best known for its Grand Prix motor racing circuit, the Autodromo Nazionale Monza. From 2009 Monza is the capital of the new province of Monza and Brianza. Previously, Monza was a comune within the province of Milan. Monza is the third-largest city of Lombardy and the most important economic, industrial and administrative centre of the Brianza area. Monza is famous for its Romanesque-Gothic Duomo of Saint John. Other main sights of Monza are: the church of Santa Maria in Strada, the Arengario, the church of San Pietro Martire, the memorial Cappella Espiatoria, the church of Santa Maria delle Grazie, the royal villa (Villa Reale) originally built by Giuseppe Piermarini in 1777 is surrounded by Monza Park, one of the largest enclosed parks in Europe. Monza can be reached through the following motorways: A4-E64 (Turin-Milan-Venice), A52 (North Ring of Milan), A51 (East Ring of Milan). State road (SS.36 - Nuova Valassina) connect the city to Lecco and Sondrio. A 2 km long tunnel will be added by around September 2011 and will alleviate traffic problems that are happening in the city. Monza railway station is the most important railway junction in the Brianza area. Every few minutes, trains travel between Monza and Milano via the Suburban Railway and via local trains that connect Monza to Lecco, Como/Chiasso (CH) and Bergamo/Brescia. Also some EuroCity trains stop in Monza.