Ny is the Malagasy definite article, and Rabe is a Malagasy family name: Ny Rabe means "the Rabe", the Rabe family. The name says exactly what the universe is about: the everyday life of one family in Antananarivo, the capital of Madagascar, with the father Datoa, born Tefy Rabe, the mother Fara, their children, the grandmother, a dog and a zebu.
Meet the whole family on Who are the characters of Ny Rabe?