When visiting Hampi, it's helpful to learn a few basic Kannada phrases as it is the primary language spoken in the region. Some common phrases to know include 'Namaskara' (Hello), 'Channagidira?' (How are you?), 'Dhanyavadagalu' (Thank you),' Hogona?' (Where are you going?), and 'Beku' (I want). You can easily learn these basic words and expressions from language learning apps like Duolingo or through local phrasebooks available in Hampi.