Cook Islands
English (official), Maori

Costa Rica
Spanish (official), English

Cote d'Ivoire
French (official), 60 native dialects with Dioula the
most widely spoken

Croatia
Croatian 96%, other 4% (including Italian, Hungarian, Czech,
Slovak, and German)

Cuba
Spanish

Cyprus
Greek, Turkish, English

Czech Republic
Czech

Denmark
Danish, Faroese, Greenlandic (an Inuit dialect), German
(small minority)
note: English is the predominant second language

Djibouti
French (official), Arabic (official), Somali, Afar

Dominica
English (official), French patois