Castiglione d'Intelvi was a comune (municipality) in the Province of Como in the Italian region Lombardy , located about 50 kilometres (31 mi) north of Milan and about 15 kilometres (9 mi) north of Como. On 1 January 2018 it was merged with Casasco d'Intelvi and San Fedele Intelvi to form the new comune of Centro Valle Intelvi.