SAN LEANDRO: The city hosts its 16th annual Cinco De Mayo celebration Friday evening with mariachi music and ballet folklorico dancers. The free event begins at 6 p.m. May 3 and will offer Ballet Folklorico Mexicano de Carlos Moreno, Mariachi Juvenil de Hayward and Mariachi Mexicanisimo de Raymundo Coronado. Traditional Mexican arts and crafts will be offered for children. Civic Center Plaza is located at 835 East 14th St. For more information, call Lydia Rodriguez at 510-577-3477.

HAYWARD: The city will be celebrating Cinco de Mayo on Saturday, May 4, at City Hall Plaza, 777 B St. The day will be filled with entertainment, starting with karate with Morning Glory at 10 a.m. The activities are free, but there is a charge for food and beverages. Entertainment includes Coro del Kínder de Burbank School, Balé Folclórico Jalisco, Mariachi Juvenil de Hayward and Danza Azteca.

ASHLAND: Come to the annual Cinco de Mayo Celebration hosted by Alameda County Supervisor Nat Miley and county agencies and organizations, 10 a.m. to 1 p.m., Saturday, May 4, at Ashland Community Center, 1530 167th Ave., San Leandro. The event will feature a health resource fair, free Mexican lunch and traditional entertainment, including youth performances. Event will alcohol-free. For information, call 510-272-6694.