Etymology. The name “Tanzania” was created as a clipped compound of the names of the two states that unified to create the country: Tanganyika and Zanzibar. It comprises the first three letters of the two states, “Tan” and “Zan” as well as the only two vowels in the names of two states, “I” and “a” to form Tanzania.

: https://en.wikipedia.org/wiki/Tanzania

Turkey is a secular parliamentary democracy located at the crossroads of Europe and Asia and bordered by eight countries. One of the largest middle-income partners of the World Bank Group, Turkey …

: https://www.nytimes.com/topic/destination/turkey

Sri Lanka, formerly Ceylon, island country lying in the Indian Ocean and separated from peninsular India by the Palk Strait.It is located between latitudes 5°55′ and 9°51′ N and longitudes 79°41′ and 81°53′ E and has a maximum length of 268 miles (432 km) and a maximum width of 139 miles (224 km).

: https://www.britannica.com/place/Sri-Lanka

Uganda, officially the Republic of Uganda (Swahili: Jamhuri ya Uganda), is a country in East-Central Africa.It is bordered to the east by Kenya, to the north by South Sudan, to the west by the Democratic Republic of the Congo, to the south-west by Rwanda, and to the south by Tanzania.The southern part of the country includes a substantial portion of Lake Victoria, shared with Kenya and Tanzania.

: https://en.m.wikipedia.org/wiki/Uganda

Turkmenistan: Turkmenistan, second largest country of Central Asia. Though long home to the Turkmens, a nomadic Turkic people, the area did not become a political unit in its own right until its incorporation into the Soviet Union in 1924. Since its independence in 1991 it has been known for its authoritarian and insular government.

: https://www.britannica.com/place/Turkmenistan