List of English First Class Cricket Counties

This is a list of current first-class cricket teams, organised first by country and then alphabetically. For a clear explanation of first-class status, see first-class cricket. Where a team plays at more than one home and away grounds, only their main ground is listed on this list.

The following countries host first-class cricket in their domestic competition, in addition to their international team.

National team: Afghanistan national cricket team¹
From February 2017, Afghanistan domestic matches are granted first class status. This will take effect in the next season of the Ahmad Shah Abdali tournament in September 2017. Afghanistan has six domestic teams that play in first-class and T20 competitions. They do not have a 50 over tournament.

Note:
¹ first-class only when playing in the ICC Intercontinental Cup or when playing against Test nations.

National team: Australia national cricket team [1]

National team: Bangladesh national cricket team [8]

Notes:

National team: England cricket team [9]

National team: India national cricket team [28]

[29]

Notes:
¹ Rest of India (in the Irani Trophy), India A, and various President's XIs are also adjudged first-class.
² Makeshift zonal teams are also made and guest teams like England lions also play.

Ireland became the most recent nation (before Afghanistan got first-class status in 2017) to have recognized domestic first-class cricket in October 2016 when the ICC gave that recognition to the Irish Inter-Provincial Championship series. The first-class status for the matches will come into effect during the next Inter-Provincial Championship in May 2017.

...
Wikipedia