The Port of Leixões is one of Portugal's major seaports, located 4 km north of the mouth of the Douro River, in Matosinhos municipality, near the city of Porto. Leixões Sport Club, commonly known simply as Leixões, is Matosinhos' sports club. The Port of Leixões is the largest port infrastructure in the Northern Region of Portugal and one of the most important in the Country.