Is Rwanda in Uganda?

They are separate countries. The Republic of Rwanda, known as the Land of a Thousand Hills, is a landlocked country located in the Great Lakes region of eastern-central Africa, bordered by Uganda, Burundi, the Democratic Republic of the Congo and Tanzania.
The Republic of Uganda is a landlocked country in East Africa. It is bordered on the east by Kenya, on the north by Sudan, on the west by the Democratic Republic of the Congo, on the southwest by Rwanda, and on the south by Tanzania. The southern part of the country includes a substantial portion of Lake Victoria, which is also bordered by Kenya and Tanzania.