The 2017 Rhythmic Gymnastics World Championships, the 35th edition, was held in Pesaro, Italy, from 30 August to 3 September 2017.

Pesaro is a comune (municipality) in the Italian region of Marche, capital of the province of Pesaro and Urbino, on the Adriatic Sea. According to the 2011 census, its population was 95,011, making it the second most populous city in the Marche, after Ancona. Pesaro was dubbed the "Cycling City" by the Italian environmentalist association Legambiente in recognition of its extensive network of bicycle paths and promotion of cycling. It is also known as "City of Music", for it is the birthplace of the composer Gioachino Rossini. In 2015 the Italian Government applied for Pesaro to be declared a "Creative City" in UNESCO's World Heritage Sites. In 2017 Pesaro received the European City of Sport award together with Aosta, Cagliari and Vicenza.