Dozens of protests and rallies against the Trump administration are set to take place in the Bay Area this weekend, as part of the nationwide "No Kings" movement.

From the air and the ground thousands of people could be seen taking on their city streets to join the "No Kings Day" protest across the Bay Area.

In San Francisco, the protest began at Dolores Park, where thousands gathered before marching nearly two miles to Civic Center Plaza.

Protests are underway in San Francisco, Oakland and San Jose as part of the nationwide "No Kings" movement on Saturday. The events are described as a "nationwide day of defiance" by organizers, and demonstrations are planned around the country.

Across the country, an estimated 5 million protesters took part in more than 2,000 protests, according to the American Civil Liberties Union, a co-sponsor of the nationwide protest. In the Bay Area, more than 50 protests were planned stretching south from Gilroy north to Santa Rosa.

Protesters filled the streets on Saturday, marching at noon from Dolores Park to the Civic Center as part of the nationwide No Kings protests. Thousands of protests were organized across all 50 states as a rejection of President Donald Trumps agenda.

Tens of thousands marched peacefully against President Trump's immigration policies. Retail stores in Union Square were boarded up as a precaution. SFPD said no arrests were reported. San Francisco - Tens of thousands of demonstrators marched through San Francisco on Saturday as part of a nationwide "No Kings" protest,

The protest remained overwhelmingly peaceful, with music filling the air as people marched and danced down Dolores and Market streets.

No Kings” protests took place in the Bay Area as part of a nationwide rally against President Donald Trump’s administration.

In 1987, an estimated 800,000 people gathered to celebrate the 50th anniversary of the iconic San Francisco bridge.