ECZN is held Saturday 20 May within the Import and Performance Show at Carlisle Fairgrounds 1000 Bryn Mawr Rd, Carlisle, PA. Details on the Facebook page, when registering for Carlisle ensure you select Club affiliation as East Coast Z Nationals.
https://www.facebook.com/www.ECZNats.org
http://www.carlisleevents.com/carlisle-events/carlisle-import-and-performance-nationals/default.aspx