IÐNÓ is a historic gem situated by Tjörnin (The Pond) in the heart of Reykjavík, Iceland. Constructed in 1897, it originally served as the headquarters for the Reykjavík Craftsmen Association and played a central role in the city’s cultural life. Notably, IÐNÓ was home to Iceland’s first professional theater, making it a pioneering venue for the performing arts in the country.