Hajógyári Island (Shipyard Island, for the shipyard companies that once operated there) or Óbudai-sziget (Óbuda Island, or Island of Old Buda) is the largest Danubian island in Budapest. Located in District III, it is a popular recreational area, year round. It is the home of the international Sziget Festival every August.
Hajógyári was created from the debris carried by the Danube River. It was originally a reef island made up of two adjoining land masses. Buda’s coast is located between the river markers of 1651 and 1654 kilometers. It has an area of 108 hectares, a length of 2750 meters, and a maximum width of 500 meters, which is directly in line with the 1653-kilometer river marker. Obuda Island is separated by a 70- to 80-meter wide branch of the Danube. Not far from the northern end of the Újpest railway bridge, the southern end of the Árpád Bridge connects Buda and Pest.