The Ageas Bowl and SWALEC Stadium have been included on the list of venues for the ECB's new Twenty20 franchise competition.
Essex will open their County Championship title defence with a tough trip to Yorkshire, the team they succeeded as champions.
Away from the England men's team, we take a look back at some of the other cricketing highlights of 2017...
Essex defy the odds to romp to the County Championship title, beating Lancashire into second, but Durham's troubles persist.
Nottinghamshire's hopes of promotion from County Championship Division Two are in the balance as Sussex dominate day two at Hove.
Joe Clarke helped Worcestershire overcome a stuttering start as they look to secure promotion to County Championship Division One.
Rory Kleinveldt finished with career-best match figures of 13-98 as Northants beat Nottinghamshire by 124 runs.
Steve Finn swelled Middlesex's hopes of avoiding relegation by taking 8-79 in a 36-run win over Lancashire at Lord's.
Rory Kleinveldt bagged 9-65 for Northants in the Championship, while Surrey's Kumar Sangakkara scored yet another century.
Warwickshire were relegated to County Championship Division Two as Somerset beat Lancashire to boost their own survival bid
Somerset are closing in on a crucial victory in their fight for County Championship Division One survival.
Essex edged closer to the County Championship title after making a strong start to their match against Warwickshire at Edgbaston.
Chris Read's final game for Nottinghamshire at Trent Bridge ended in defeat, while Warwickshire edged closer to relegation.
Haseeb Hameed missed out on a first Championship hundred of 2017, while Notts' unbeaten run is in jeopardy at Trent Bridge.
Ben Duckett creamed 193 for Northants in the County Championship but rain blighted much of day one elsewhere.
Jacques Rudolph bowed out of Twenty20 cricket with a high-class 65 as Glamorgan slipped to an 11-run defeat to Birmingham Bears.
All the best bits from T20 Blast Finals Day, including Samit Patel's performance and Andrew Flintoff's tumble.
Rikki Clarke took a career-best 7-55 but Somerset still managed to score 269 against Surrey thanks to Steven Davies' 86.
It's that time again; the biggest race of the year! Find out who comes out in top in the 2017 Mascot Race...
A look back on the 2017 NatWest T20 Blast Finals Day, which saw Notts Outlaws end triumphant.
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