The County Championship is a professional cricket competition in England and Wales, organized by the England and Wales Cricket Board (ECB). It features county teams representing different regions, competing in a league format. The championship typically runs from April to September, with teams playing matches over four days. The tournament is divided into two divisions, with promotion and relegation between them. Each county aims to accumulate points through match victories and draws, ultimately striving for the title of county champion. The competition has a rich history, dating back to 1890, and is a key part of the English cricket calendar.