The Co-Cathedral Church of St. Dominic is an important religious building located in Fermo, Marche, Italy. Its construction began in 1233, occupying the same site where the church of St. Thomas of Canterbury previously stood.The church is dedicated to St. Dominic of Guzmán, founder of the Order of Preachers (Dominicans). Its architecture reflects the Gothic style, with later Renaissance elements added over the centuries. The facade has a beautiful ornate portal and a series of Gothic windows.The interior of the church is spacious and solemn. The nave features a trussed ceiling and frescoes depicting scenes from the life of St. Dominic. The high altar is adorned with sculptures and paintings of great artistic value.Among the most significant works of art in the church is the polyptych by Carlo Crivelli, a famous 15th-century Italian painter. This polyptych represents one of the most important examples of Renaissance art in the Marche region.The Co-Cathedral Church of San Domenico is of special importance to the city of Fermo, as it was elevated to the rank of co-cathedral in 1589. The church shares the function of cathedral with the Cathedral of Fermo, creating an important religious and historical connection between the two buildings.A visit to the Co-Cathedral Church of San Domenico offers an opportunity to immerse oneself in the history and art of the Marche region, admiring its architectural beauty and significant works of art. It is a place of worship, but also a place of reflection and admiration for lovers of art and history.It is advisable to check the opening hours and any religious services at the Co-Cathedral Church of San Domenico before visiting, as there may be variations.