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

Dhekelia
English, Greek

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

Dominica
English (official), French patois

Dominican Republic
Spanish

East Timor
Tetum (official), Portuguese (official), Indonesian,
English
note: there are about 16 indigenous languages; Tetum, Galole,
Mambae, and Kemak are spoken by significant numbers of people

Ecuador
Spanish (official), Amerindian languages (especially Quechua)