Star Alliance awards: stopover-, min/max stay-, regions rules (from UA's leaflet, should be the same for all StarAlliance frequent-flier programs)
<font face="Verdana, Arial, Helvetica, sans-serif" size="2">* no minimum stay restrictions
* Maximum stay restictions exist per booking rules (within 331 days of booking date)
* No stopovers are permitted on awards wholly within a geographic region,
* Awards between regions allow one stopover</font>
Regions (as defined by UA for StarAlliance Awards: North America, Hawaii, Caribbean, Central America, Latin America, South America, Europpe, Japan, North Asia, South Asia, Central Asia, Australia/New Zealand, Oceania, Middle East, Africa