Step 1: Understand the question.
We need where the 8th Advantage Healthcare India (AHCI) 2026 was held.
Step 2: Identify it.
It was held in Greater Noida.
Step 3: Why Greater Noida.
The event took place at the India Exposition Mart, which has large exhibition halls for international medical pavilions and B2B meetings.
Step 4: Rule out others.
Pune is a vaccine hub and Warangal has medical institutes, but the big expo venue is in Greater Noida.
Step 5: Conclude.
The venue is Greater Noida.
Answer: Greater Noida