Christ wants to make his work known (Acts 26:26). Everyone needs to know the gospel of the kingdom! That is how great Christ’s love for people is. Capernaum was a city. This was a better place to reach the people. Nazareth was a despised and small town, and therefor it was difficult to reach the people from there (see John 1:46).
13 And leaving Nazareth he went and lived in Capernaum by the sea, in the territory of Zebulun and Naphtali,