Unlike the Olympic Games or FIFA World Cup, whose host venues are announced several years in advance, there is usually no purpose-built infrastructure whose construction is justified with the needs of hosting the Eurovision Song Contest. However, the , hosted in Baku, Azerbaijan, was held at Baku Crystal Hall, a venue that had not existed when Azerbaijan won the previous year. Most other editions have been held in pre-existing venues, but renovations or modifications have sometimes been undertaken in the year prior to the contest which are justified with the needs of Eurovision.
Unlike the Olympic Games or FIFA World Cup, whose host venues are announced several years in advance, there is usually no purpose-built infrastructure whose construction is justified with the needs of hosting the Eurovision Song Contest. However, the , hosted in Baku, Azerbaijan, was held at Baku Crystal Hall, a venue that had not existed when Azerbaijan won the previous year. Most other editions have been held in pre-existing venues, but renovations or modifications have sometimes been undertaken in the year prior to the contest which are justified with the needs of Eurovision.