The Moto X is built in Fort Worth in Texas and ships to the US - and so far only to the US. There's talk, however, of a cheaper version, which the rumor mill has dubbed Moto DVX. It's this version that might be available outside the US, probably without the customization options. Not all of them anyway, a photo allegedly shows four back panels for the Moto DVX in four different colors -...
Source: http://www.gsmarena.com/cheaper_moto_x_version_might_have_exchangeable_color_covers-news-6867.php