Nan Desu Kan

Nan Desu Kan, usually shortened to NDK, is a Denver-area anime convention that has been running since 1997. Its 2026 edition, the 29th, took place September 4–6 at the Gaylord Rockies Resort & Convention Center in Aurora, Colorado.

The official site promotes a cosplay contest with a combined prize pool of more than $4,000. Dates for the next edition had not been posted on the homepage when this listing was checked, so fans planning a trip should watch the official site for the announcement, along with badge pricing, prop rules and hotel details.