Maharastra state is the citadel of Ganesha worship and the most famous temples are the Astha (8) Vinayaka Temples near Pune.
Ashtavinayak / Ganesha Templs are said to be Swayambhu or self originated. They are located near Pune. They are as follows:
Chintaamani at Thevur/Thevoor/Theur,
Moreshwar Ganpati in Moregan,
Siddhivinayaak at Siddhitek ,
Ballaleshwar at Pali,
Varadvinayak at Mahad,
Girijtmak at Lenyadri,
Vigneshwar at Ozar,
Mahaganpati at Ranjangaon
Many travel agents organise conducted tours of all 8 Vinayaka temples.