ARMA 2's single-player campaign takes place in late 2009, in the province of South Zagoria in the north-eastern region of the fictional post-Soviet state of Chernarus. Several comma-separated tags will be considered as logical AND between them. You can also use semicolon for logical OR. AND has a priority over OR and you cannot. a aa aaa aaaa aaacn aaah aaai aaas aab aabb aac aacc aace aachen aacom aacs aacsb aad aadvantage aae aaf aafp aag aah aai aaj aal aalborg aalib aaliyah aall aalto.