Why is Pope Leo visiting Monaco?

What brought the pope to choose to visit the microstate?

Each new pope faces a host of pontificate-defining choices early in his reign. One of them is which European country outside of Italy to visit first.

The Cathedral of Our Lady Immaculate in Monaco. Credit: Rundvald/wikimedia CC BY-SA 4.0.

Pope John Paul II chose his beloved homeland of Poland, then under the heel of communism. Pope Benedict XVI also retur…