Gualeguaychú

Gualeguaychú, a city in Argentina's Entre Ríos province on the bank of the Gualeguaychú River, is best known for its annual carnival — the "Carnaval del País" — considered one of the largest in the world and drawing visitors from across Argentina and beyond. The city also offers hot springs at nearby Pueblo Belgrano, beach resorts, and a casino, with the Uruguay River border crossing to Fray Bentos a short distance away.

• Population78,676
• Nearest water1.0 km
• Nearest mountain45.7 km
• UNESCO within 50 km1