Compounds of 開催

• 開催
  (n,vs) holding a meeting
  open an exhibition
  (P)
• 開催国
  (n) host country (e.g. for a conference)
• 開催式
  (n) opening ceremony (of an event, show, etc.)
• 開催地
  (n) place where a meeting (conference, etc.) is held
  venue
• 開催中
  (n) in session
• 開催日
  (n) date(s) (e.g. for exhibition)