The Suba of Tanzania are a community of people in Tarime District, Mara Region

Mara Region

Mara is one of the 26 regions of Tanzania. The region is named after the Mara River. Musoma serves as the Region's capital.The neighbouring regions are Mwanza and Shinyanga , Arusha and Kagera . To the north east, it borders the Republic of Kenya...

, Tanzania

Tanzania

The United Republic of Tanzania is a country in East Africa bordered by Kenya and Uganda to the north, Rwanda, Burundi, and the Democratic Republic of the Congo to the west, and Zambia, Malawi, and Mozambique to the south. The country's eastern borders lie on the Indian Ocean.Tanzania is a state...

 speaking mutually intelligible varieties of the Suba language. They are mainly located in Nyancha, Luo-Imbo and Suba Divisions of Tarime District. The groups commonly listed as being part of the Suba community are the Hacha, Kine, Rieri, Simbiti, Surwa and Sweta. There are a total of around 80,000 ethnic Suba living in Tanzania, most of whom are still speaking the Suba language although some, particularly the Rieri, have started to speak Luo

Luo languages

The Nilotic Luo languages, or Lwoian, are a dozen languages spoken by the Luo peoples in an area ranging from southern Sudan via Uganda to southern Kenya, with Dholuo extending into northern Tanzania and Alur into the Democratic Republic of the Congo. They form one of the two branches of Western...

 http://www.ethnologue.com/show_language.asp?code=suh.

The language spoken by the Suba of Tanzania is very close to the Suba language

Suba language

The Suba language is the language of Kenya's Suba people. As the Suba number very few to begin with , and the majority have begun speaking Dholuo as their main language, Suba is on the verge of extinction. The remaining speakers are mostly elderly residents on the island of Mfangano...

 spoken by the Suba in Kenya.