From the Official Rules:
The "Luxaholics.com/Purseblog.com 12 Days of Handbag Giveaways" ("Sweepstakes") is open to individuals who are at least 13 years of age or older on the date of entry, who are legal residents of any one (1) of the fifty (50) United States or the District of Columbia (collectively the "U.S."), and who reside and are physically domiciled in the U.S. Residents of Guam, Puerto Rico and all other U.S. territories and possessions as well as employees of foreign-based U.S. military bases and embassies are not eligible to enter this Sweepstakes
Looks like it's just US residents, also excluding military bases and embassies abroad.