Contains OS data © Crown Copyright and database right 2016 Heartland Membership © Copyright Buckinghamshire County Council Licence No. 100021529 2016 Bedford Borough Council Buckinghamshire County Council Cambridgeshire County Council Central Bedfordshire Council Luton Borough Council Milton Keynes Council Northamptonshire County Council Oxfordshire County Council Peterborough City Council South East Midlands Local Enterprise Partnership (SEMLEP) Northamptonshire Enterprise Partnership (NEP) Oxfordshire Local Enterprise Partnership (OXLEP) Buckinghamshire Thames Valley Local Enterprise Partnership (BTVLEP) Oxfordshire Buckinghamshire Northamptonshire Central Beds Bedford Luton Milton Keynes Cambridgeshire Peterborough England's Economic Heartland Strategic Alliance 3.45 million people 175,000 businesses £92.5 billion current Gross Value Added 12,000 square km