Hump Day Lunch Did you know Nation's was, is a Bay Area fast food chain? I didn't. Nation's Giant Hamburgers , or simply Nation's , is a privately held El Cerrito , California -based fast food diner chain . The chain, founded in 1952, largely operates in the San Francisco Bay Area . [2] The majority (87.5%) of locations are focused in the suburban Greater East Bay ; consisting of Alameda , Contra Costa , and Solano counties. [3] After you fuel up the car, fuel up the family! Start your summer road trips with a meal at one of our 28 Bay Area locations. Wherever you’re headed there is a Nation’s on the way! pic.twitter.com/TM7vWWj39L — Nation's Giant Hamburgers (@NationsGiant) July 9, 2021