Alkmaar Zaanstreek, better known as AZ Alkmaar or simply AZ, is a Dutch professional football club from Alkmaar and the Zaanstreek. The club plays in the Eredivisie, the highest professional football league in the Netherlands, and hosts home matches at the AFAS Stadion. AZ has won the Eredivisie twice, in 1980–81 and 2008–09. In the same season as their first league title, they also reached the UEFA Cup Final, which they lost to Ipswich Town. In addition, the team has won the KNVB Cup on four occasions.

AFAS Stadion is a stadium in Alkmaar, Netherlands. It is used for football matches and is the home stadium of AZ Alkmaar. AZ's women's team also plays select matches in the stadium. The stadium is able to hold 19,478 people and bears the name of a Dutch software company. Due to UEFA's sponsorship regulations, the stadium is named AZ Stadion in European matches.