Answer:
Ashtavinayak Yatra is a famous pilgrimage tour to 8 Ganesh temples in Maharashtra. It is considered auspicious to visit all 8 temples in a go to complete the tour.
Shastrokta Ashtavinayak yatra, means, conducting the tour of all temples in predefined series as follows
1) Moreshwar, Morgaon
2) Siddhivinayak, Siddhatek
3) Ballaleshwar, Pali
4) Varadvinayak, Mahad
5) Chintamani, Theur
6) Mahaganapati, Ranjangaon
7) Girijatmaj, Lenyadri
8) Vighneshar, Ozar
Mention of above series is made in Mangalashtaka Shloka.