It defines the area of the municipalities with origin of the data from the Topographic DB, subsequently modified and updated on the basis of: - Regional Law 23 November 2015, n. 19; Part One no. 43 at the B.U.R.E.R. no. 303 of 23 November 2015; Alto Reno Terme: new municipality established through the aggregation of the territories of the suppressed municipalities of Porretta Terme and Granaglione - Regional Law 23 November 2015, n. 20; Part One no. 44 at the B.U.R.E.R. no. 304 of 23 November 2015: Polesine Zibello: new municipality established through the aggregation of the territories of the suppressed municipalities of Polesine Parmense and Zibello - Regional Law 9 July 2015, n. 8; Part One no. 46 at the B.U.R. no. 160 of 9 July 2015; Ventasso: new municipality established through the aggregation of the territories of the suppressed municipalities of Busana, Collagna, Ligonchio and Ramiseto - Regional Law 23 November 2015, n. 21; Part One no. 45 at the B.U.R.E.R. no. 305 of 23 November 2015; Montescudo - Monte Colombo: new municipality established through the aggregation of the territories of the suppressed municipalities of Montescudo and Monte Colombo - Regional law of 19 December 2016, n.23 of the Emilia-Romagna region published in the B.U.R. n.377 of 19 December 2016 (first part), starting from 1 January 2017 the new municipality of Terre del Reno was established, through the merger of the municipalities of Mirabello and Sant'Agostino. Regional Law n.13 of 18 July 2017, Municipality of Alta Val Tidone (PC), merger of the contiguous municipalities of Caminata, Nibbiano and Pecorara.RIVA DEL PO: Merger of Berra and Ro with Regional Law n.17 of 5 December 2018; B.U.R n. 379TRESIGNANA: Merger of Tresigallo and Formignana with Regional Law n.16 of 5 December 2018; B.U.R n. 378SORBOLO MEZZANI: Merger of Sorbolo and Mezzani with Regional Law n.18 of 5 December 2018; B.U.R n. 380 CARPINETI/CASINA: Update procedure following the D.P.R. n.76 of 04/24/2020