Acklam Park, Middlesbrough

Established 1932
Capacity 5000
Sat May 20 (55 ovs) Yorkshire v MC North
  Boughton Hall Cricket Club Ground, Chester

Sat May 13 (55 ovs) MC North v Lancashire
County Ground, Bristol County Ground, Bristol

Established 1889
Capacity 7000 (15,000 ODIs)
Sat May 20 (55 ovs) Gloucs v MC South
County Ground, Chelmsford County Ground, Chelmsford

Capacity 6500
Sat May 13 - Mon May 15 (55 ovs) Essex v Kent
Sat May 20 (55 ovs) Essex v Sussex
County Ground, Derby County Ground, Derby

Established 1863
Capacity 9500
Sat Jun 3 (55 ovs) Derbyshire v MC North
County Ground, Hove County Ground, Hove

Established 1872
Capacity 4000
Sat Apr 29 - Mon May 1 (55 ovs) Sussex v Surrey
Sat May 13 - Mon May 15 (55 ovs) Sussex v Middlesex
County Ground, New Road, Worcester County Ground, New Road, Worcester

Established 1899
Capacity 4500
Sat May 20 - Mon May 22 (55 ovs) Worcs v Warwickshire
Sat Jun 3 (55 ovs) Worcs v Leics
County Ground, Northampton County Ground, Northampton

Established 1885
Capacity 6500
Sat May 6 - Mon May 8 (55 ovs) Northants v Warwickshire
Sat May 13 - Tue May 16 (55 ovs) Northants v Worcs
  County Ground, Southampton

Established 1885
Capacity 7000
Sat May 13 (55 ovs) Hampshire v MC South
County Ground, Taunton County Ground, Taunton

Established 1882
Capacity 6500
Sat Jun 3 (55 ovs) Somerset v Gloucs
Courtaulds Ground, Coventry Courtaulds Ground, Coventry

Established 1892
Capacity 13,000
Sat May 13 (55 ovs) Warwickshire v Leics
  Dean Park, Bournemouth

Established 1869
Capacity 6000
Sat Jun 3 - Mon Jun 5 (55 ovs) Hampshire v Glamorgan
Edgbaston, Birmingham Edgbaston, Birmingham

Established 1882
Capacity 21,000
Sat Apr 29 - Mon May 1 (55 ovs) Warwickshire v Cambridge U
Fenner's, Cambridge Fenner's, Cambridge

Established 1848
Capacity Unknown
Sat May 6 (55 ovs) Cambridge U v Worcs
Sat Jun 3 (55 ovs) Cambridge U v Northants
Grace Road, Leicester Grace Road, Leicester

Established 1878
Capacity 12000
Sat Apr 29 - Mon May 1 (55 ovs) Leics v Northants
Sat May 20 (55 ovs) Leics v Cambridge U
Wed Jun 14 (55 ovs) Leics v Lancashire
Wed Jun 28 (55 ovs) Leics v Warwickshire
  Hardenhuish Park, Chippenham

Sat May 6 (55 ovs) MC South v Glamorgan
Headingley, Leeds Headingley, Leeds

Established 1890
Capacity 17000
Wed Jun 28 (55 ovs) Yorkshire v Gloucs
Kennington Oval, London Kennington Oval, London

Established 1845
Capacity 23500
Sat May 6 - Mon May 8 (55 ovs) Surrey v Essex
Sat May 20 - Mon May 22 (55 ovs) Surrey v Middlesex
Lord's, London Lord's, London

Established 1814
Capacity 30000
Sat Apr 29 - Mon May 1 (55 ovs) Middlesex v Kent
Sat Jun 3 - Mon Jun 5 (55 ovs) Middlesex v Essex
Wed Jun 14 (55 ovs) Middlesex v Gloucs
Sat Jul 22 (55 ovs) Leics v Yorkshire
  Moreton-in-Marsh Cricket Club Ground

Sat May 6 - Tue May 9 (55 ovs) Gloucs v Hampshire
Nevill Ground, Tunbridge Wells Nevill Ground, Tunbridge Wells

Established 1898
Capacity 4500
Sat May 6 - Mon May 8 (55 ovs) Kent v Sussex
Old Trafford, Manchester Old Trafford, Manchester

Established 1857
Capacity 19000
Sat May 6 - Mon May 8 (55 ovs) Lancashire v Derbyshire
Sat May 20 (55 ovs) Lancashire v Notts
Park Avenue Cricket Ground, Bradford Park Avenue Cricket Ground, Bradford

Established 1880
Capacity Formerly 25,000
Sat Apr 29 - Mon May 1 (55 ovs) Yorkshire v Lancashire
Wed Jun 14 - Thu Jun 15 (55 ovs) Yorkshire v Sussex
  Peverell Park, Plymouth

Sat Apr 29 - Mon May 1 (55 ovs) MC South v Somerset
  Queen's Park, Chesterfield

Established 1898
Capacity 7000 (previously 15,000)
Mon May 15 (55 ovs) Derbyshire v Yorkshire
Rectory Field, Blackheath Rectory Field, Blackheath

Established 1886
Capacity 6000
Sat Jun 3 - Mon Jun 5 (55 ovs) Kent v Surrey
Sophia Gardens, Cardiff Sophia Gardens, Cardiff

Capacity 5500 (15,000 after redevelopment)
Wed Jun 14 (55 ovs) Glamorgan v Warwickshire
  Sports Ground, Cleethorpes

Sat May 6 (55 ovs) MC North v Notts
St Helen's, Swansea St Helen's, Swansea

Established 1873
Capacity 4500 (approx)
Sat Apr 29 - Tue May 2 (55 ovs) Glamorgan v Gloucs
Trent Bridge, Nottingham Trent Bridge, Nottingham

Established 1841
Capacity 15,350 (to be 17,000)
Sat Apr 29 - Mon May 1 (55 ovs) Notts v Derbyshire
Sat Jun 3 (55 ovs) Notts v Yorkshire
  Westlands Sports Ground, Yeovil

Sat May 20 - Mon May 22 (55 ovs) Somerset v Hampshire
Ynysangharad Park, Pontypridd Ynysangharad Park, Pontypridd

Established 1870
Capacity 5000
Sat May 13 - Sun May 14 (55 ovs) Glamorgan v Somerset