The conference site and accommodation will be at  Embassy Suites Napa Valley in Napa, California. 

Beautiful Napa Valley is the best-known wine growing district in California, producing internationally renowned wine of many varieties. The Embassy Suites Napa Valley is located an easy one mile walk from Downtown Napa Riverfront, which has a wide selection of restaurants and wine bars. 

Courtesy of Embassy Suites Napa Valley
"Around the Grounds - Courtyard Seating"