East Side San Jose, commonly called The East Side and less commonly as the East Valley, is the eastern region of the city of San Jose, California. The East Side is made up of numerous neighborhoods grouped into two larger districts: Alum Rock and Evergreen. East San Jose is bordered by the Diablo Range to the east and south, the Coyote Creek to the west, and Mabury Road to the North.

Alum Rock is a district of San Jose, California, located in East San Jose. Formerly an independent town, it has been a neighborhood of San Jose since the 1950s, though some portions are still unincorporated as a census-designated place. Alum Rock is one of San Jose's most notable and historic Chicano/Mexican-American districts. It is home to Alum Rock Park, the oldest municipal park in California and one of the largest in the country.