San José, California will be the site of the 2018 Worldcon (Worldcon 76). In the site selection vote at MidAmeriCon II San José beat a bid from New Orleans by 675 votes to 594.
The convention will take place at the McEnery Convention Center in San José, which was also the site of the 2002 Worldcon (ConJosé). The dates are August 16-20, 2018. The Guests of Honor will include Chelsea Quinn Yarbro and Spider Robinson. For further details of the convention see their website.
For full details of the voting, including the daily breakdowns, see the 2018 Worldcon Site Selection Tally.