On Wednesday, the European Central Bank also announced the cities that will host the new eight-team Twenty20 tournament in 2020.
"We believe that the new T20 competition can follow the example of the "Big Bash" in Australia by bringing in new audiences and with the world's best cricketers now expected to come to Cardiff, the game can only continue to flourish".
The governing body revealed the news on Wednesday, having approved the key venues for all the major domestic and worldwide matches over a five-year period from 2020, subject to contract.
The Ageas Bowl, the Swalec Stadium, Edgbaston, Headingley, the Oval, Lord's, Old Trafford and Trent Bridge were announced as the venues "around which new partnerships would be formed and new teams created".
Edgbaston in Birmingham has been chosen as a host venue for the Ashes series in 2023.
The decision was made by the ECB Board earlier today following recommendations set out by the Host Venue Panel - an independent advisory group.
The Ageas Bowl has never hosted an Ashes Test.
Not only will the prospect of two Test matches with Australia help the club to clear its historic debts, but these two matches - and a raft of other global and T20 matches secured by Headingley - will be genuine money-spinners for the wider Yorkshire economy.
For Twenty20 and one-day internationals, 10 grounds will stage matches each summer, with the six Test grounds added to by the Ageas Bowl, Cardiff, Bristol and Durham's Riverside.