Explanation:

- The All India Institute of Hygiene and Public Health is an established institution focused on public health and hygiene education.

- Kolkata: This is the correct location. The institute is renowned for its contribution to public health education and policy in India.

- Bangalore: Known for its IT industry and educational institutions, but not for this particular institute.

- Delhi: Has many prestigious institutions but not this one associated with public health and hygiene.

- Chandigarh: Known for its architecture and planning, but not home to this particular health institute.