3 ms·

That depends which region you're in. us-east has like 5 AZs but some of the small regions like Sydney have only two.

• vacri 12y ago
  All regions have a minimum of 3 zones, but the client doesn't always see all of them. Sydney has 3 AZs, but you only get to see 2, for example.
  • count 12y ago
    Not all regions (see US GovCloud for example).