The Bombardment of Ancona was a naval engagement of the Adriatic Campaign of World War I between the navies of Italy and Austria-Hungary. Forces of the Imperial and Royal Navy attacked and bombarded military and civilian targets all across Ancona in central Italy and several other nearby islands and communities in response to Italy's declaration of war on Austria-Hungary.

Marche, in English sometimes referred to as the Marches, is one of the twenty regions of Italy. The region is located in the central area of the country, and has a population of about 1.5 million people, being the thirteenth largest region in the country by number of inhabitants. The region's capital and largest city is Ancona.