London 2012: Pakistan's big hopes in the hockey
Pakistan's hopes of an Olympic medal rest almost entirely on the hockey pitch, and the pressure will be on when they play their first match against Spain.
Out of a total of 10 Olympic medals Pakistan has won in its history, eight have been in field hockey.
But London 2012 comes after a period of turmoil for the team and at a difficult time for the country.
Aleem Maqbool has been following Pakistan's national side and caught up with them at their training camp in Abbottabad.