East Nusa Tenggara ( – NTT) is a province of Indonesia. It is located in the eastern part of the Lesser Sunda Islands and includes West Timor. It has a total area of 48,718.1 km2, and the population at the 2010 Census was 4,683,827; the latest official estimate (at January 2014) is 5,070,746. The provincial capital is Kupang on West Timor.
The province consists of more than 500 islands, the three largest are Flores, Sumba, and the western half of Timor (West Timor). The eastern part of Timor is the independent country of East Timor. East Nusa Tenggara is the only province in Indonesia where Roman Catholicism is the predominant religion. Nusa Tenggara Timur, in Indonesian, means "eastern of the southeastern islands"; compare to Nusa Tenggara Barat, which means "western of the southeastern islands".