Hannover tradefair

The Hannover Messe (HM; English: Hanover Fair) is one of the world's largest trade fairs. It is held on the Hanover Fairground in Hanover, Lower Saxony, Germany. Typically, there are about 6,500 exhibitors and 250,000 visitors.The Hannover Messe started in 1947 in an undamaged factory building in Laatzen, south of Hanover, by an arrangement of the British military government in order to boost the economic advancement of post-war Germany.

The Hanover Fairground (in German: Messegelände Hannover) is an exhibition area in the Mittelfeld district of Hanover, Germany. Featuring 496,000 m² (5.3 million sq.ft.) of covered indoor space, 58,000 m² (624,306 sq ft) of open-air space, 27 halls and pavilions and a convention centre with 35 function rooms, it is the largest exhibition ground in the world.

CeBIT was the largest and most internationally representative computer expo. The trade fair was held each year on the Hanover fairground, the world's largest fairground, in Hanover, Germany. In its day, it was considered a barometer of current trends and a measure of the state of the art in information technology.

Convention Camp is a conference on digital future, social media and web culture. It takes place annually since 2008 at Hanover fairground and is the largest BarCamp in Germany.