Tokyo Biblioteca Nacional is a term that refers to the National Library of Tokyo, which is also the largest library in Japan. If you are looking for synonyms for this term, you can use "Tokyo National Library", "National Diet Library Tokyo", or simply "National Library of Japan". These terms refer to the same institution, and they can be used interchangeably depending on the context. The library has a vast collection of materials, including books, periodicals, maps, and government documents, among others. The library also serves as the de facto national library of Japan, and it is a valuable resource for researchers, scholars, and the general public.