Hostel One Budapest, Budapest, Hungary: Book Now! Hostel One Budapest is located onRumbachSebestyen street 6, in the heart of Budapest city center, just 1 min walk from the famous GOSHDU street which is the center of the nightlife of Budapest, 5 min walk from the great Basilica of Budapest, 2 min walk from DEAK station of both Subway, Bus and Tram.