The games on June 23 could attract the biggest crowd to watch hockey in England since the 2012 London Olympics.
"The growing demand for tickets shows that the appetite is there for a venue of this size," Sally Munday, chief executive of England Hockey, said in a statement.
"We would like to place on record our thanks to both Harlequins and the FIH (International Hockey Federation) for their help in making this happen, as well as Sport England for supporting the innovative pitch development process."
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(Reporting by Hardik Vyas in Bengaluru, editing by Ed Osmond)
