PARIS — Nationalists in Corsica swept elections for a new regional assembly on the French Mediterranean island on Sunday, easily defeating President Emmanuel Macron’s new centrist movement and traditional parties.

A coalition of moderate and hard-line nationalists won 56.5 percent of the vote in Sunday’s second-round election, according to figures from the Interior Ministry. Local media outlets showed nationalists singing Corsican songs and celebrating in the streets after the results were announced.

The nationalists on Corsica, a once-restive island of 320,000 people, want more autonomy from Paris. But unlike those in the nearby Spanish region of Catalonia, they aren’t yet seeking full independence.

The nationalist coalition will have 41 of the 63 seats in the new assembly, which takes office on Jan. 1. Candidates from Mr. Macron’s Republic on the Move party won six seats.