Mahavir Jayanti (Mahavir Janma Kalyanak) is celebrated everywhere Jains live.

• In India: all Jain temples and major tirtha-kshetras, especially Palitana/Shatrunjaya and Girnar (Gujarat), Jaipur and other cities of Rajasthan, Mumbai, Ahmedabad, Delhi, Bengaluru, etc.
• Special places connected with Bhagwan Mahavir: Kundalpur/Kundagram near Vaishali (birthplace) and Pawapuri (Bihar). These sites also see large gatherings.
• Worldwide: Jain centers and temples in countries like the USA, UK, Canada, Kenya, UAE, and others organize processions, puja, pravachan, and charity.

For simple details on where and how it’s observed:

• Celebration overview
• How it is celebrated