What is "valavanis"

Valavanis , with the female form being Valavani is a Greek surname. Notable people with the surname include:

• George Valavanis, Greek journalist and writer
• Nadia Valavani, Greek politician and government minister
• Panos Valavanis (born 1954), Greek classical archaeologist
• William N. Valavanis (born 1951), American bonsai artist