.az为阿塞拜疆国家及地区顶级域（ccTLD）的域名。

英文释义：

.az is the Internet country code top-level domain (ccTLD) for Azerbaijan. It is administered by Azerbaijan Communications. Some second-level domains under .az are com.az, net.az, int.az, gov.az, org.az, .edu.az, .info.az, .pp.az, .mil.az, .name.az, .pro.az, biz.az and co.az.