To his hometown.
Καὶ ἐξῆλθεν ἐκεῖθεν, καὶ ἔρχεται εἰς τὴν πατρίδα αὐτοῦ, καὶ ἀκολουθοῦσιν αὐτῷ οἱ μαθηταὶ αὐτοῦ.
This story of Jesus leaving after talking about parables can be found in Matthew, chapter 13:53. However, the idea of Jesus going to his hometown of Nazareth can be found explicitly in Luke, chapter 4:16. Matthew said that Jesus came to his hometown, his own area without naming it Nazareth, like it was in Luke. Mark was pretty much the same. He said that Jesus left that place (Καὶ ἐξῆλθεν ἐκεῖθεν). According to Mark, that place would have been by the Sea of Galilee. Now, he was going further inland to his hometown (καὶ ἔρχεται εἰς τὴν πατρίδα αὐτοῦ), probably unnamed Nazareth. His disciples also followed or accompanied him (καὶ ἀκολουθοῦσιν αὐτῷ οἱ μαθηταὶ αὐτοῦ).