New York City's historic St. Patrick's Day Parade is marching through Manhattan today as the holiday tradition returns for 2025. This is the oldest and largest St. Patrick's Day Parade in the world, according to organizers,

St. Patrick’s Day, the annual celebration of all things Irish, is being marked in cities across the country on Monday with boisterous parades and celebrations. New York City hosts one of the largest and oldest parades in the United States.

Here's what you need to know about what streets will be closed and where parking will be restricted ahead of Sunday's NYC Half Marathon.