Bangkok Noi, Thailand

Siriraj Hospital (Thai: โรงพยาบาลศิริราช; RTGS: Rong Phayaban Sirirat) is the oldest and largest hospital in Thailand. It is in Bangkok on the west bank of the Chao Phraya River, opposite Thammasat University's Tha Phrachan campus. It is the primary teaching hospital of the Faculty of Medicine Siriraj Hospital, Mahidol University.

With a capacity of more than 2,000 beds and visited by more than three million patients per year Siriraj is one of the largest and busiest medical centers in Southeast Asia. The medical school accepts about 250 medical students and more than 100 for postgraduate residency training each year. Siriraj is the largest public hospital in Thailand. The hospital is generally regarded as one of the final referral centers for complicated and rare diseases from all hospitals in Thailand.