Sister cities of Dublin, California

Dublin (formerly, Amador and Dougherty's Station) is a suburban city of the East (San Francisco) Bay region of Alameda County, California, United States. Located along the north side of Interstate 580 at the intersection with Interstate 680, roughly 10 miles (16 km) east of Hayward, 6 miles (9.7 km) west of Livermore, directly north of Pleasanton, and 25 miles (40 km) north of San Jose, it was named after the city of Dublin in Ireland. The nearest major city is Oakland, approximately 25 miles (40 km) to the west-northwest on Interstate 580. Dublin is the second-fastest growing city in the state of California, behind only Santa Clarita. The population was about 46,063 according to the 2010 United States Census. This grew to 49,890 in 2013. By 2030, it is estimated to grow to 75,900. Dublin is home to the headquarters of Sybase, Inc, now part of SAP AG, Tria Beauty, Medley Health and Arlen Ness. As well, Dublin is the site of the principal Alameda County jail and the Federal Correctional Institution, Dublin, one of only three federal prisons for women in the United States.