ISBN is a unique artistic bookstore and contemporary art gallery located at Baross Street 42 in Budapest. Named after the International Standard Book Number, it serves as a hub for exploring and exhibiting a diverse range of contemporary art publications, including exhibition catalogs, zines, artist books, photobooks, and theoretical works. The gallery's mission is to map, collect, display, and distribute both Hungarian and foreign publications, focusing particularly on new and antiquarian art literature.

ISBN also champions the visibility of independent local publishers and facilitates access to limited-edition artist books and unique publications. The gallery aims to foster relationships and dialogue among artists and professionals engaged with independent publishing in Hungary and the Central-Eastern European region. Additionally, it provides exhibition opportunities for emerging and mid-career visual artists and curators. Regular professional programs and events celebrate art publications and solo or group exhibitions, enriching the cultural landscape of Budapest's art scene. Reopening on August 27, 2024, ISBN looks forward to welcoming visitors with exciting new offerings.