Venue
TOKI MESSE Niigata Convention Center
Address: 6-1 Bandaijima, Chuo-ku, Niigata City, Niigata 950-0078 Japan

http://www.tokimesse.com/english/

Google map

Access
You can click Osaka(KIX), Tokyo(NRT), Tokyo(HND), NIIGATA(KIJ), Tokyo St. and search for limousine bus services and Jyoetsu Shinkansen timetable.