Primera B Metropolitana is the third tier of professional football in Argentina. It serves as a crucial step for clubs aiming to reach the higher divisions, specifically Primera Nacional. The league features teams from the Greater Buenos Aires area and surrounding provinces, making it a competitive environment for aspiring players and clubs. The competition typically consists of a regular season followed by playoffs to determine promotion to the next level. Clubs in Primera B Metropolitana often have passionate local followings, contributing to the vibrant football culture in Argentina.