Lietuvos nacionalinė Martyno Mažvydo biblioteka, based in Vilnius, is a national cultural institution that collects, organizes, and preserves Lithuania's written cultural heritage. They are dedicated to shaping the country's science, education, culture, and economy by building a relevant collection of Lithuanian and foreign documents, as well as providing library information services to the public. The library offers a wide range of services, including visitor registration and assistance, ordering and lending publications, home reading materials, paid services, remote services, interlibrary subscriptions, training, consultations, copying, scanning, printing, exhibitions, and event spaces.

In addition, they provide various educational programs for visitors of all ages and have extensive resources, such as catalogs, databases, and an extensive collection of Lithuanian and international publications. Lietuvos nacionalinė Martyno Mažvydo biblioteka is an invaluable resource for anyone interested in exploring and accessing Lithuania's rich cultural heritage