San Jose maintains an active Sister Cities program to promote international friendship, cultural exchange, and economic development. Its twin cities include:
* **Okayama**, Japan (1957) * **San José**, Costa Rica (1961) * **Veracruz**, Mexico (1975) * **Tainan**, Taiwan (1977) * **Dublin**, Ireland (1986) * **Yekaterinburg**, Russia (1992) * **Pune**, India (1992) * **Guadalajara**, Mexico (2014)