Ischia island (Italy) size comparison
46 km2 / 18 mile2
Ischia is a volcanic island in the Tyrrhenian Sea. It lies at the northern end of the Gulf of Naples, about 30 kilometres (19 miles) from the city of Naples. It is the largest of the Phlegrean Islands. Roughly trapezoidal in shape, it measures approximately 10 km (6 miles) east to west and 7 km (4 miles) north to south and has about 34 km (21 miles) of coastline and a surface area of 46.3 square kilometres (17.9 sq mi).
Multiple movies have been shot on the island - including The Talented Mr. Ripley (1999) and Men in Black: International (2019).