techno mart
A commercial facility or event specializing in technology products, similar to a technology marketplace or electronics mall.
秋葉原のテクノマートで最新のガジェットを探した。
I looked for the latest gadgets at the techno mart in Akihabara.
Loanword from English 'techno mart', a compound of 'techno-' (technology) and 'mart' (market).