The NEC (National Exhibition Centre), Birmingham, is Europe's busiest exhibition venue, staging around 200 trade and consumer shows each year. Its programme of activity attracts four million people and profiles 45,000 exhibiting companies annually. The complex offers 200,000 square metres of space in 21 inter-connecting halls, located in the heart of the UK, alongside national road and rail networks and Birmingham International Airport. Up to four million people visit the centre each year. With 21 halls totalling 200,000 square metres (two million square feet) it is also the biggest exhibition centre in Britain and seventh largest in Europe.