The current d.o user profile form doesn't list Kosovo as a country. Kosovo is an independent state recognised by around 70 countries as well as the EU, NATO and others. In July 2010, the International Court of Justice ruled that Kosovo's declaration of independence in February 2008 was valid under international law. In terms of precedent.
Heres a lot of interest in WordPress in Kosovo. Because of the history the country, the locals very passionate about this issue.