Pope Leo XIV begins a week-long visit to Spain on Saturday, where he will likely address immigration and political polarization.

The first American pope will visit migrant centers in the Canary Islands and become the first pontiff to address Spain's parliament.

His trip signals his priorities on issues including war and immigration.

AI-generated summary was reviewed by a CNN editor.

Pope Leo XIV arrives Saturday in Spain, where he is expected to focus on the treatment of migrants and polarization in politics – themes likely to cement his pontificate as a counterweight to the Trump administration.