The National Diet Library (NDL) is Japan's national library, established in 1948. It serves as a research library for the National Diet, Japan's bicameral legislature, and aims to support legislative activities by providing access to a vast collection of materials. The NDL houses millions of books, periodicals, and digital resources, making it a vital resource for researchers and the public. Located in Tokyo and Kyoto, the NDL also plays a crucial role in preserving Japan's cultural heritage. It collects and archives publications from various fields, ensuring that important information is accessible for future generations. The library promotes knowledge sharing through exhibitions and educational programs.