Is the oldest pizzeria in the world Antica Pizzeria Port'Alba in Italy ?

Is the oldest pizzeria in the world in Italy ? Is it Antica Pizzeria Port'Alba in Naples ? Because there are multiple pizzerias that claim to be the oldest.

There are more pizzerias claming that they are the oldest. In some cases it is difficult to prove it.

According to many sources the Antica Pizzeria Port'Alba in Naples in Italy is the oldest pizzeria in the world. It was established in 1738 as a stand for peddlers. As a restaurant, Antica Pizzeria Port'Alba was opened in 1830. Today it offers mostly pizza, pasta & seafood dishes.